530' of lift at the valve. The intake stems were hollow to reduce weight and the exhaust stem was sodium-filled to improve heat transfer. I saw one post on the web of some dyno numbers on a ZZ4 were the LT4 hot cam, full roller rockers and a Edlebrock air gap added 40hp. 5:1 rockers, or. Portly, but a good time and mph considering the rpm restrictive stock style intake setup. The LSA engine that the LSA supercharger is designed for has a compression ratio of 9. 1:1, way beyond our 12:1 figure. The 4th alteration was just changing the cylinder. Let me know if you need them. GM Performance 602 & 604 CRATE MOTOR HEAD BOLT KITS. 525-inch lift on both the intake and exhaust sides, along with 219-degree/228-degree duration specs. I think I'm at the point if I want to do either the LT4 hot cam, or the ZZ4 crate cam. The key to the power boost is the Hot Cam's. Re: Quick Sale / Great Deal: 1987 Built Turbo LT1 RX7 « Reply #5 on: September 23, 2019, 05:27:22 PM » I have a bunch of pictures and videos I can send, anyone interested, feel free to text me. heads and intake are right out of the box but I did go with a better valvespring because the LT4 springs are right on the edge with this kit. 6 ratio rockers and is ground with 112° lobe separation. Now that I installed the hotcam kit I figured I should mess with the pcm a bit. This cam has a fuel pump lobe. Matching camshaft and distributor gears is one of the most critical,yet often overlooked step in engine assembly. Matt’s ZL1 laying down 931RWHP/862RWTQ on 100 Octane! (17psi) •Magnuson TBS2650 with 103mm TB •Speed Inc LT4 Custom Grind Cam •Roto-Fab CAI •CNC Ported Stock Heads •ARH Long Tube Headers •DSX Aux Fuel Pump •93/100 Octane Dual Maps •No Nitrous or Meth Powertrain tuned with @hptuners. It pulled 323 rwhp and 335 torque uncorrected on a hot socal day. LSx CRATE ENGINES. GM Performance Parts designed our Fast Burn aluminum performance cylinder heads for small-block applications just like our Fast Burn 385 turn-key crate engine. - LT4 HOT cam - Vortec 062 heads w/screw in studs 1. I am new to chevy internal engine parts and i have some. Table 1 shows that you obviously can't try to run 10 pounds of boost on a 9. Now that I installed the hotcam kit I figured I should mess with the pcm a bit. 592" 112+2 The BTR Stage 3 N/A Camshaft (LS1/LS2/LS6) is the go to for people desiring an aggresive idle matched with a powerband that will stretch into the 450+ whp range around 6000 RPM when paired with quality supporting modifications. C2 Performance Upgrades. Engineered to meet the demands of a hungry small-block with an aggressive camshaft, the Fast Burn cylinder heads are the featured component on this awesome small-block Chevy crate engine that blends the ZZ4 350 short block with the. 00 each shipped. Xtreme Energy™ 220/230 Hydraulic Roller Cam for GM LT1/LT4. 55 inch exhaust. Chris Muzio at Danzio Performance Engineering recently bolted the dry-sump version (PN 19329997 available at Pace Performance) of the LT1 crate engine to his dyno. Discard the stock filter and replace it with a K&N air filter (LPE, 219-724-2552. 55-inch (39. DynoJet testing of ZZ4-TPI w/ LT4 HOT cam To compare the benefit (anticipated) of the AFR190 heads, I took my car up to a local shop with a DynoJet Chassis Dyno for some "pre-swap" tests. -Polyurethane bushings suspension, Z07 front sway bar, Z5 ( 1996 Version ) shocks. The proper distributorgear for your camshaft differs by both the material and the kind oflifter for which your camshaft was designed. We provide a no …. T56 six speed transmission up the Dyno to the rear wheels to 289HP. A rusty water filled 5. -daily driver 06 CBR600F4i- freakin rocket ship. ECS is the manufacturer of the highest quality supercharging systems for your late-model Corvette and Camaro. Here is an 1989 L98 Formula that has had some good success with the stock style TPI intake setup. Great camshaft for LS1/LS2 applications where a really rough idle is desired with more top end power than the stage 3 cam, will need a stall converter!. The LT4 computer won't have a clue what to do. HPE will offer up to 1,200 horsepower for the new mid-engine Corvette with a specially designed twin-turbo system that will include a specially built LT2 V8 engine with upgraded engine internals including forged aluminum pistons (10. The LT4 engine is a truly efficient powerhouse, thanks to modern technology. The kit comes with cam, rockers, springs and everything else you might need. Chevy LS V8, Hydraulic Roller Tappet Camshaft Type, Idle-5000 RPM Range, 218 Intake Duration. LT4 conversion using GM Performance Parts LT4 intake manifold, LT4 heads with Crane 1. LT4 valves are 2. 1mm) combination used in the LT1) were made lighter to reduce inertial stress, both intake and exhaust valves are hollow and the latter sodium & potasium filled to improve heat transfer. Our version of a GM LT4 Hot Cam, but with the potential to make another few hp over the old GM grind. I am in the Air Force and currently in Iraq. So I pulled the engine and upgraded it to an LT4 aluminum heads, intake manifold and installed Chevy Hot Cam. The most prolific big-block powerhouse had to be the L72 engine option, which spawned several different variants as well. At 3,200 rpm, the new LT4 surpasses the LS7 by 208 lb-ft of torque (252 Nm). Other brands did the same thing under different names at Ford it was the GT40 head for the Windsor, at Chrysler it was the Magnum head for their LA block. The LT4 was the high performance version of the LT1 that was standard in the 1996 Corvette "Grand Sport" and optional for any 1996 Corvette with a manual transmission. Couldnt find any Tutorials on Youtube of how to start up. There are 3 different LT1 intake manifolds, 92-93 LT1, 94-97 LT1 and 96 LT4. Proper valve lash is maintained on LT4 engines. Welcome to the official Johnson Lifters® web page. 1996 Corvette LT4, Magnaflow catback, Descreened MAF, Throttle body coolant bypass, 4. 525-inch lift on both the intake and exhaust sides, along with 219-degree/228-degree duration specs. About 15% come in between 360hp and 375hp. Speartech has again led the way for the new Gen 5 LT / Vortec Truck swap harnesses and conversion. The 350 Hot Cam kit PN 12480002 is a popular off-road upgrade for LT1 engines. LT4 valves are 2. ** Thanks to [email protected] for these specs. 6 CC RR, K&N, Power coupler, Relocated IAT sensor kit, Corvette Central Exhaust no mufflers, Air foil [email. Made 430 hp at the flywheel. Table 1 shows that you obviously can't try to run 10 pounds of boost on a 9. For comparisons sake, were going to show numbers from LS3 (Camaro) vs. 32" Diameter 10456413 - Hardened Distributor Gear For. I think the first stroker crank isnt for an LT1, i was also interested in a 383 crank and have already done alot of research, here was a link i used. 8649 Hacks Cross Road Olive Branch, MS 38654 Local: 386-310-4875 Toll Free: 1-866-388-5120 Hours: M-F, 8-5 CST. The 3rd change was the cam, lifters (XE268H), standard heads from an 86 truck, Edelbrock Performer RPM intake and the carb - Holley. I have a factory roller block and this will be a daily driver so i was thinking maybe it would make a good, strong, streetable candidate for my 64 stepside. C $452 50 mm roller cam bearings Dyno only. Joined Jan 28, 2008 · 154 Posts. GPI - LT1 / LT4 Blower Cam Install Package for 6th Gen Camaro ZL1 / C7 Corvette Z06 $ 936. Hope this helps. Chevrolet Performance SBC LT1/LT4 Hot Cam Kit. If you guys have any insight that may help out, I'm all ears. Product Categories. 525-inch intake and exhaust valve lift with 1. Part Number: 19355378 Pistons (P/N right hand 12674094 and left hand 12674093): Hypereutectic aluminum Engine Type: Gen V Small-Block V-8 Displacement (cu. DynoJet testing of ZZ4-TPI w/ LT4 HOT cam To compare the benefit (anticipated) of the AFR190 heads, I took my car up to a local shop with a DynoJet Chassis Dyno for some "pre-swap" tests. Cylinder deactivation, camshaft phasing and direct-injection all help the LT4 make its 650 horsepower while still providing unsurpassed driveability. 7 vortec/t56 0411 pcm powered 03 zr2 s10 with some mods. Even though the public knew that a new Corvette was coming soon, sales of the '96 model were up slightly over '95, to 21,536 with 6,359 cars optioned with. 54 gear, AFPR w/ fuel pressure boosted to just 42 psi, ported/siamesed stock TPI, full exhaust, a chip and I'm still using the stock heads. Let me know if you need them. I am currently playing around in tunercat and s. We provide a no …. 19171528 - Valve Spring Cap Kit, LT4 12495494 - Small Block Chevy LT4 Valve Spring Kit - Used On 1996 LT4 Engines, ZZ4 & Fast Burn 385 Crate Engines (16 Springs) 1. Dynojet dyno's always have that spike at the tail end of a run. Matt’s ZL1 laying down 931RWHP/862RWTQ on 100 Octane! (17psi) •Magnuson TBS2650 with 103mm TB •Speed Inc LT4 Custom Grind Cam •Roto-Fab CAI •CNC Ported Stock Heads •ARH Long Tube Headers •DSX Aux Fuel Pump •93/100 Octane Dual Maps •No Nitrous or Meth Powertrain tuned with @hptuners. LT4 Block: Cast iron, short skirt: Cast iron, short skirt: Bore x Stroke (in. 290 hp GM crate engine with 180cc/64cc chamber RHS heads, COMP High Energy lifters, COMP Magnum 1. This package is designed to seriously "wake up" your LT1 or LT4. 5 a/f, my nb o2 were reading about 920mV during the pull. 95 for 85-89 models, $58. 525 112 LSA - GMPP 1. I have the Hotcam kit, 2800 stall, 3. I forget who had his cam read, but that figure is from an actual HOT cam. This kit comes complete with 16 LS6 valve springs (GM#12565117) and 16 new retainers. This was the result. These heads feature a 58cc combustion chamber (can be special ordered 55 to 65cc) with a 64cc exhaust port and a 3/4'' thick head deck (ideal for nitrous or blower. By adding CNC-ported heads and our high-lift LT1 Hot Cam the LT376/535 delivers more naturally aspirated horsepower than its predecessors. '96 was the very first year for OBDII diagnostics. A natural drag racer with their fairly light weight, rear wheel drive, strong transmissions, and simple suspension, the mid-'90s "F-body" cars also featured a stout 350-cubic-inch LT1 V8. Chevrolet Performance SBC LT1/LT4 Hot Cam Kit. View Profile View Forum Posts Private Message Senior Tuner Join Date Mar 2010 Location Texas Hill Country. 78 c10: 11:1 388,M20,5/5" drop. The Power Curve: The graph below describes what you should expect when you build an engine for a specific power range. 625" primary tubes: Heddman 2. Now that I installed the hotcam kit I figured I should mess with the pcm a bit. 311: 325: 96 LT4: Evan Grimmett: Tulsa Dyno & Performance, OK (Feb 2004) Bone stock but with ECM tuning. LT1 Block and Cams - LT1 Cam-O-Rama Looking For An Affordable Alternative To The Small-Block? The LT1 Is A Great Choice. We have tested over 125 LT4 units since 1996 and found that less than 25% of the units come in under 345hp. The Hot cam is a 50 HP increase over my LT1 stock cam, as per GM. The LT4 engine is a truly efficient powerhouse, thanks to modern technology. These heads feature a 58cc combustion chamber (can be special ordered 55 to 65cc) with a 64cc exhaust port and a 3/4'' thick head deck (ideal for nitrous or blower. 5:1 with the stock 1. 1mm) combination used in the LT1) were made lighter to reduce inertial stress, both intake and exhaust valves are hollow and the latter sodium & potasium filled to improve heat transfer. Did a Desktop Dyno of your setup 350 with L31 vortec's (had the file) and the lt4 hotcam (also had the LT4 hotcam file) 9. 5" mandrel y-pipe for f-body: GM 3" 3-way catalytic converter: for more info click here. 310" OD Beehive Spring; 1. A LT4 cam is not the same as a GM LT4 "HOT" cam. 56 and a truetrack, That deep a gear is the only hope for the 700R4, besides the best build I can put in it. 6 ratio rockers and is ground with 112° lobe separation. 97 vortec 350 cam options. And especially if you are adding a hot cam, increasing compression ratio, power adders (turbo, supercharger, nitrous, etc) - NOTE: At this time we are not tuning forced induction, nitrous, speed density through the mail. I'm fine with another cam, the Lunati 20080660 was the one suggested. We design and test many different camshafts before selecting the camshafts that we offer to our customers. In the real world, if you start with an LT4 engine, add Long tube headers, LT4 Hot cam, Port and match the heads and intake, 52 mm T-body (anything bigger than that is a waste), a good cat back system, and an electric WP, you'll get about 360-375 RWHP depending on how good your tuner is. Wes Drelleshak writer. Welcome to the official Johnson Lifters® web page. Inside The 5. K07-466-8 contains the following: 07-466-8 XFI 218/224 Hydraulic Roller Cam for GM LT1/LT4, 850-16 OE-Style Hydraulic Roller Lifter Set for '87+ OE Roller SBC and LT/LS Engines. 6 roller rockers, LT4 Hotcam, LT4 extreme-duty timing chain and LT4 knock module The seller put the car on the same dyno before and after the engine build in 2002, showing a peak output increase from 284 to 384 horsepower. I wanted to build a 400HP LT1 for my 96 Firebird. The Hot Cam was for another project that never happened. 0 TPI (Personally Read from chip) AUM 0122: AMJ0499. All of our TSP LT1 camshafts were designed on our SuperFlow 902 engine dyno using an otherwise stock 6. The past few times there has been a portable dyno there, and he is supposed to have it there again this Friday. camaro zl1 cts-v gen v lt4 engine piston oil squirter nozzles set of 7 oem gmitem shipped as shown shipping is free in th. lingenfelter. There is one more version of the LT1 out there that could cause some confusion if you get a core and don't know what it is. 660 valve springs, hardened pushrods, and AFM. Your scanner should be able to show you how much knock retard the PCM is using. Let me know if you need them. They have the LT4 heads/rockers, intake, and you can go with either a hot cam or an aftermarket equivalent. My 350 has the Air gap intake and a modified 1405 Eddy carb and now with the 6 speed I can boil the tires through 3dr gear. Matter of fact if you look at Gilbert Chevrolet web site they give you some numbers based on their dyno sheets that state just that. The 94-97 LT1 and LT4 intake manifolds appear the same from above, all LT4 intakes are powder coated red from factory, but the difference is in the intake ports. 5 heads and MS3 cam now this damn code keeps coming up i changed to NGK TR5 plugs today. 5:1 rockers, or. Let me know if you need them. 6 rocker ratio (intake/exhaust) is 525/525. Dyno graphs of the hot cam show an impressive torque table with a lot of meat under the curve, and just a tickle of a cam at idle but with good vacuum. Awfully optimistic on those HP figures. The past few times there has been a portable dyno there, and he is supposed to have it there again this Friday. Also mixed reviews on the LT4 knock sensors (and the KS module in the PCM). 7 Vortec Lt4 Hot Cam - YouTube. All of our TSP LT1 camshafts were designed on our SuperFlow 902 engine dyno using an otherwise stock 6. Find Chevrolet Performance LT4 Hot Cam Hydraulic Roller Cam Kits 12480002 and get Free Shipping on Orders Over $99 at Summit Racing! These LT4 Hot Cam hydraulic roller cam kits from Chevrolet Performance are direct replacements for your stock LT4 hydraulic roller cam and lifters. I have tricked out 600 Holley also to test as it ran in the mid 11's on the race car late last year. After the upgrade the car dynoed at 281HP to the rear tires. For years, the LS6 camshaft has been a venerable upgrade for 5. The 1996 LT4 Engine was used in both the Collector's Edition Corvette and the Grand Sport Corvette. An ?8? in a given cell would represent +8% fuel in PE mode. 050" tappet lift (intake/exhaust) is 218/228; and maximum lift with 1. The ZZ4 350 Turn-Key crate engine has been one of the most popular high performance crate engines since GM Performance Parts was started. Vortec 350 LT4 Hot Cam Test Run on Homemade Engine Stand This is the 350 I have put together for my orange s10 that's in some of my other videos it is a stock 165k mile motor with a cam Don't Let This Happen To You!! Please be careful!! While transferring my engine from my engine hoist to my engine stand it fell to the ground. The LT4 used larger intake and exhaust valves (2. TSP CNC-Ported Gen 5 LT1 & LT4 Heads & Camshaft Package, Customer Supplied Heads for Porting #199-2014LT1PkgCust. The programs available provide smoother shift or harsh depending on the request. 525" Lift 12495494 - Small Block Chevy LT4 Valve Spring Kit - Used On 1996 LT4 Engines, ZZ4 & Fast Burn 385 Crate Engines (16 Springs) 1. The LT4 Hot Cam is only a 218/228 112 LSA so while its a nice bump up over the stock cam there are many others choices out there which are more agressive. I plan on gearing this truck fairly aggressively with a 4. Supercar Horsepower On Demand. 45s) - free mods - tune - hotcam w Crane springs - 5 angle valve job post your hotcam dyno numbers Become a ltxtech. -playtoy 98 gmc sierra: 5/6" drop, 17" eagle alloy's, flowmaster 50 series. With changes including the LT4 HOT cam and ported heads, a small misfire or a code for a misfire might not be all that unusal WITHOUT A TUNE. The customer and his friends are real happy with the results. In this video we discuss what is the best casting to 14 Sep 2012 So we took a pair of $50 Chevy swap meet heads and put them up against a set of new For more information, including dyno results and flow bench tests on both heads, check out Edelbrock Intake Manifold Dyno Test :: Single Vs Dual + Air-Gap Vs Chevy Vortec Head Break down - Duration: 16:41. This Tech Tip is From the Full Book, HIGH-PERFORMANCE …. This was w/ a dyno proven 252 crhp. 602-776-6885 or 855-776-6885 602-776-6885 or 855-776-6885. Chevrolet commemorated the ending of the fourth generation of Corvettes by making two special. A natural drag racer with their fairly light weight, rear wheel drive, strong transmissions, and simple suspension, the mid-'90s "F-body" cars also featured a stout 350-cubic-inch LT1 V8. RPM Outlet has free shipping and low pricing on performance parts for your 2012-2015 Chevy Camaro ZL1. The latest, greatest engine from General Motors is the supercharged LT4 in the 2015 Corvette Z06, but this week's Dyno Blast video features a 1986 Porsche 944 packing the LT4 engine that came in the C4 Corvette. Re: What Carb on my 5. Theis spring/retainer combo is drop in for your application and will allow you to get over. Was told this by an old time racer and you know what? it works. The rest of the engine remained the same with the original GMPP dual-plane intake, Quick Fuel-modified Holley 650-cfm. The key to the power boost is the Hot Cam’s 0. At 3,200 rpm, the new LT4 surpasses the LS7 by 208 lb-ft of torque (252 Nm). I recommend gradual changes, 3% increments is a good rule of thumb, until you get a consistent 12. Dyno-man Ed Taylor actually installed the better LT4 springs before the first series of tests so we could test the 1. In this video we discuss what is the best casting to 14 Sep 2012 So we took a pair of $50 Chevy swap meet heads and put them up against a set of new For more information, including dyno results and flow bench tests on both heads, check out Edelbrock Intake Manifold Dyno Test :: Single Vs Dual + Air-Gap Vs Chevy Vortec Head Break down - Duration: 16:41. 311: 309: n/a: 96 LT4: Larry Fry: Dynojet - The Dyno Shop, El Cajon, CA (Sep 2006) Hooker Aerochamber Mufflers, 60K miles on LT4 coupe, untuned. Part Number: 809-12480002. 525-inch intake and exhaust valve lift with 1. Gen V LT1 L83 L86 LT4 Crankshaft Position Crank Sensor 12669636. It's also worth noting that the LT4's horsepower rating is "net" 330-HP, putting the gross somewhere in the low 400 range, making the LT4 nearly as stout as an old 427 big-block. This is cheaper for sure. Jun 14, 2011. They are also not compatible with any of the current LS engines. A ?-5: would represent ?5% from the base fueling in PE mode. The intake centerline is 109 deg, the exhaust centerline is 115. He got 32mpg going 80 mph in 6th gear. The LT4 is rated @330 but does not have the same heads I am using or the "Hot Cam". - rough by GaryDoug. GM LT4 HOTCAM, (218/228 duration @. heads and intake are right out of the box but I did go with a better valvespring because the LT4 springs are right on the edge with this kit. Hoping for 480whp. This experiment is to sand paper the rust out of the bores, bolt the heads back on and see how it runs. FED Gen V LT1/4 Iceman Billet Intercooler Intake (Single Injector) $6,999. Matter of fact if you look at Gilbert Chevrolet web site they give you some numbers based on their dyno sheets that state just that. 12480033 - LS1 "Gen 3" HOT Cam Kit Pace Price $375. I looked my old and new dyno's over, and what's crazy is, the Hotcam makes nearly identical power throughout the revs, until 5,200 rpm where the Hotcam is still gaining power and the stock cam is running out of steam. 55 inch exhaust. If you look at the comparison sheets for both cams. The past few times there has been a portable dyno there, and he is supposed to have it there again this Friday. 050" and 112 degree lobe centers. 0:1 compression ratio engine. guess ill go first: 96' Corvette (LT4, 6spd, 3. Its only a. then get a nice rumpity cam from them. LT1 LE1 Heads 360 – 400+ rwhp; LT1 LE2 Heads 370 – 410+ rwhp; LT1 LE3 Heads 380 – 420+ rwhp; More information on cams can be found here. I have a factory roller block and this will be a daily driver so i was thinking maybe it would make a good, strong, streetable candidate for my 64 stepside. The lift is only 1. Needs upgraded exhaust and programmer or chip. It put about 325 RWHP and TQ on the dyno with a tune. This experiment is to sand paper the rust out of the bores, bolt the heads back on and see how it runs. The 65-67 L79 350 hp cam and the 68 L79 350 hp cam are shown the same in some documents and different in others. Yes, a dyno tune for less than a handheld! Dial in the Air/Fuel ratio and timing at WOT (wide open throttle), get all you can get out of your current combination. I guess I'm looking for someone that has tuned one of these that could share a little on the issues. Part # Description 1 L220660114 LT1/LT4 Dry Sump Damper Included in Kit:. 492 lift) 1. Proven LS Horsepower. With changes including the LT4 HOT cam and ported heads, a small misfire or a code for a misfire might not be all that unusal WITHOUT A TUNE. It measures 218°/228° duration at 0. My 350 has the Air gap intake and a modified 1405 Eddy carb and now with the 6 speed I can boil the tires through 3dr gear. For years, the LS6 camshaft has been a venerable upgrade for 5. The Hot cam is a 50 HP increase over my LT1 stock cam, as per GM. Lingenfelter LT1/LT4 Dry Sump Damper Lingenfelter LT1/LT4 Dry Sump Damper Lingenfelter Performance Engineering 1557 Winchester Road Decatur, IN 46733 (260) 724-2552 (260) 724-8761 fax www. 93-97 Camaro or Firebird LT1 and LT4 Camshafts, Comp. In this video we discuss what is the best casting to 14 Sep 2012 So we took a pair of $50 Chevy swap meet heads and put them up against a set of new For more information, including dyno results and flow bench tests on both heads, check out Edelbrock Intake Manifold Dyno Test :: Single Vs Dual + Air-Gap Vs Chevy Vortec Head Break down - Duration: 16:41. 95 for 85-89 models, $58. Higgs thanks for the reply. 0 TPI (Personally Read from chip) AUM 0122: AMJ0499. Choose a camshaft with valve timing events that will match the intended engine operating range. The 270HR: XR270HR-10, Camshaft Part#12-422-8 Dyno Sheet would get you a hard running motor, but I'd probably be more likely to go with the slightly milder 264HR here: XR264HR-10, Camshaft Part#12-412-8 Dyno Sheet. Chevrolet Performance — PN 19301358 and 19301360 The LS376 is basically a spiced up LS3 and comes in two power levels: the 480, which adds Chevrolet Performance’s LS Hot Cam to the mix resulting in 495 horsepower and 473 lb-ft of torque, and the 525, which utilizes Chevrolet Performance’s more aggressive ASA camshaft to produce 525 horsepower. The most prolific big-block powerhouse had to be the L72 engine option, which spawned several different variants as well. 7L has lots of rust and pitting from it sitting up so long in Florida. Unlocking A Gen-V’s True Potential With Edelbrock Victor Jr Heads By Bradley Iger February 02, 2018 By now, it’s no secret that GM’s direct-injected LT1, LT4 and upcoming LT5 engines are potent mills straight from the factory, delivering a remarkable balance of performance, efficiency, and durability. 525 BHP / 465 lbs-ft of torque Package includes: - Engine removal, inspection and cleaning for assembly - Lingenfelter CNC ported & polished LS3 L92 cylinder heads - Existing GM 2. Typically makes peak power at 5800-6000rpm in stock LT1 long blocks. Look at the heads, LT1, LT4 and the "Hot Cam" heads. Discussion in 'The Hokey Ass Message Board' started by v8nova64, Apr 28, 2012. best pull was at 13. 8:1 reading on the dyno graph all the way through the RPM range. AdvertisementClick Here to […]. 32" Diameter 10456413 - Hardened Distributor Gear For. To start, the LT4 received newly designed aluminum heads that featured taller ports and bigger valves; 2. 24502586 Hydraulic Roller (LT4 Hot Cam) This hydraulic roller cam is for service only for all V8 engines with roller camshafts. We support all 6L80, 6L90, 8L90, and 10L90 transmission with your LT swap project!. 12480033 - LS1 "Gen 3" HOT Cam Kit Pace Price $375. GM CRATE MOTOR CHEATER CAMS-604 (A CAM) GM 604 Crate Valve Stem Seal Small Block Chevy LT4-ZZ4. what is the max HP or rwhp on lt4 without a cam swap on fuel without ethanol? 03-15-2018 #2. It measures 218°/228° duration at 0. The key to the power boost is the Hot Cam's. GM Performance 602 & 604 CRATE MOTOR HEAD BOLT KITS. Go to any dragstrip in America on any given night, and you will see a lot of fourth-generation Camaros and Firebirds. Edit: Just curious, because id like to run the LT4 hot cam, but get my heads worked over a little more than the LT4 heads. 525 112 LSA - GMPP 1. 1994 Corvette LT1 w/LT4 Hot Cam kit & Stainless Works Complete Exhaust - Duration: 0:43. If you are building your engine from scratch, it is a good idea to try to build it with a relatively low compression ratio, such as 7. It is important to refrain from selecting a cam that is too "large"---select one that has a measured effective valve opening duration in the area of 220 to 235 degrees (AT. 6 rocker ratio (intake/exhaust) is 525/525. This is an excerpt from the Vortec thread: The Gary Penn Discussions -. ECS is the manufacturer of the highest quality supercharging systems for your late-model Corvette and Camaro. of GMHTP's project 2001 Trans Am WS6, you know that we've been hinting at. This experiment is to sand paper the rust out of the bores, bolt the heads back on and see how it runs. If you look at the comparison sheets for both cams. Therefore, the following change may need to be made to allow for correct assembly of the engine: For LT1 and L98 engines 1995 and before, the dowel pin in the end of the camshaft must be pushed in so extension from end of cam is. Click image to zoom. Neither cam is very radical. The Hot cam is a excellent street cam & will surprise you with 1st/2nd gear torque/acceleration. HYPERTECH DYNAMOMETER TEST RESULTS Torque Gain +19 Ft-Lbs @ 4300 RPM Maximum 150 200 250 300 350 400 450 150 200 250 300 350 400 450 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 Torque (Ft-Horsepower Lbs) RPM 2014-2015 Chevrolet. 218/228, Lift. 32" Diameter. Introduced in the fall of 1965 as a 1966 engine RPO, the 425 horsepower 427 not only saw service in the Corvette; it was also used (optionally, of course) in full-size Chevys and in later years, Camaros and Chevelles. 6:1 rockers and an intake manifold produced by Edelbrock for GM. Bone stock it makes about 270-280. I think the first stroker crank isnt for an LT1, i was also interested in a 383 crank and have already done alot of research, here was a link i used. I bought tunercat and the definition file a while back. Most applications tend to run in the full emissions category. 0:1 compression ratio) and forged steel connecting […]. 54 gear, AFPR w/ fuel pressure boosted to just 42 psi, ported/siamesed stock TPI, full exhaust, a chip and I'm still using the stock heads. For comparisons sake, were going to show numbers from LS3 (Camaro) vs. Cart is empty. 32" Diameter. Sounds about right to me! I'm putting down 330 rwhp & 319 ft/lbs as measured on a Mustang dyno with a CC305 cam (basically lt4 hotcam) CNC ported LT4 heads w/ 1. Proper valve lash is maintained on LT4 engines. The hot camshaft is designed for all hydraulic roller camshaft small block engines produced from 1986 to present including the Gen I, Gen IE, and Gen II variety. 2 L LT4 V8 produces 650 horsepower … Read more. 1996 Corvette LT4, Magnaflow catback, Descreened MAF, Throttle body coolant bypass, 4. 383 Final Assembly With Dyno Numbers - Junkyard Heap, Part 2 Of 2. Eric McClellan Sep 24, 2013. The computer at view fills the application years from 1996-99 CK Vortec engines 4. About 15% come in between 360hp and 375hp. 90 gear 4door 2WD Tahoe. Product Q&A View Now. 94 Z28 LT1. So If he goes with this cam I dont think he'll have any problems passing smog. Awfully optimistic on those HP figures. 050" and 112 degree lobe centers. 32" Diameter. Trickflow finally did what us do it yourselfers have had to do hit and miss for decadesthat is make a head that does 200cfm @. Or lt4 supercharger from ADM for as little as 6000 while this is a excellent point, but the thing im thinking about the heads/cam is no weight penalty. - LT4 HOT cam - Vortec 062 heads w/screw in studs 1. 525-inch lift on both the intake and exhaust sides, along with 219-degree/228-degree duration specs. Texas Speed & Performance LT1/LT4/L86 6. Hennessey Performance Engineering (HPE) has executed big plans for the 2020 C8 Corvette. Got the Bad Boy a dyno tune today. 050 tappet lift, 0. The LT1 engine was limited to the automatic transmission. Good low end torque with exceptional mid-range. I am thinking of upgrading to the LT4 hot cam in my 93 6 spd, 1. The customer and his friends are real happy with the results. Stock except LT4 Hotcam. The past few times there has been a portable dyno there, and he is supposed to have it there again this Friday. There is a reported 3-5 horsepower increase but there are no published dyno runs to back this up. Its only a. LT1 LE1 Heads 360 - 400+ rwhp; LT1 LE2 Heads 370 - 410+ rwhp; LT1 LE3 Heads 380 - 420+ rwhp; More information on cams can be found here. HPE will offer up to 1,200 horsepower for the new mid-engine Corvette with a specially designed twin-turbo system that will include a specially built LT2 V8 engine with upgraded engine internals including forged aluminum pistons (10. After doing a lot of research, a lot of people are recommending the-LS7 lifters #12499225. The intake centerline is 109 deg, the exhaust centerline is 115. Let me know if you need them. Xtreme Energy™ 220/230 Hydraulic Roller Cam for GM LT1/LT4. 050 tappet lift,. 66 5 left in stock Lowest Price Guarantee $ + $ $ Small Block Chevy LT1/LT4 Hot Camshaft Kit See more product details. Like I said, the average one on the street comes in between 350hp to 360hp. 5" mandrel y-pipe for f-body: GM 3" 3-way catalytic converter: for more info click here. I am planning on putting it in a smaller car like a camaro with a 3000 stahl. Re: Quick Sale / Great Deal: 1987 Built Turbo LT1 RX7 « Reply #5 on: September 23, 2019, 05:27:22 PM » I have a bunch of pictures and videos I can send, anyone interested, feel free to text me. 7 vortec/t56 0411 pcm powered 03 zr2 s10 with some mods. The key to the power boost is the Hot Cam’s 0. These cams have become the benchmark for 6th Gen Camaro's / C7 Corvette's around the country. what is the max HP or rwhp on lt4 without a cam swap on fuel without ethanol? 03-15-2018 #2. While the 1980s Porsche 944 had the look of the Porsche lineup, it fell short on power - especially with the balmy NA models. Couldnt find any Tutorials on Youtube of how to start up. LT4 conversion using GM Performance Parts LT4 intake manifold, LT4 heads with Crane 1. A LT4 cam is not the same as a GM LT4 "HOT" cam. 59" solid stem exhaust valves retained - Three angle valve job, hand blending of valve seats - CC chambers, surface, set spring heights and assembly. Portly, but a good time and mph considering the rpm restrictive stock style intake setup. PERFORMANCE Hydraulic Roller Camshaft for Chevy GM LS1 LS2 LS Hot Cam 88958753. I have tricked out 600 Holley also to test as it ran in the mid 11's on the race car late last year. 050" and 112 degree lobe centers. - Competition Cams valve springs. The LT4 engine is a truly efficient powerhouse, thanks to modern technology. 6 rockers, full exhaust, 3. 48: Displacement: 350 cu in, 5733 cc: 350 cu in, 5733 cc: Crankshaft: Cast iron: Cast iron with undercut and rolled fillets: Torsional Damper: Single mass: Dual mass: Main Bearings: Center Caps 4-bolt, End caps 2-bolt: Center Caps 4-bolt, End. My Hotcam combo is working great. This is an LQ9 based engine with LS3 Aluminum heads making a very streetable 550HP+. I'm going to take the LT4 to a local cruise in that has gotten pretty big over the years. For a street car, this design means excellent throttle response, torque and average power. -Full LT4 Conversion ( LT4 Heads, Intake Maniforld, Throttle Boy, Hotcam, Valves, Springs, 1. IIRC he had the stock rears but still Holy crap. Unlocking A Gen-V's True Potential With Edelbrock Victor Jr Heads By Bradley Iger February 02, 2018 By now, it's no secret that GM's direct-injected LT1, LT4 and upcoming LT5 engines are potent mills straight from the factory, delivering a remarkable balance of performance, efficiency, and durability. If you have any questions, please Click Here to contact us and we'll do our best to help you. 604 and 603 CRATE ENGINES/MOTORS & PARTS. Dynojet dyno's always have that spike at the tail end of a run. The 68 cam shown may actually be a non-Corvette item. 19171528 - Valve Spring Cap Kit, LT4 12495494 - Small Block Chevy LT4 Valve Spring Kit - Used On 1996 LT4 Engines, ZZ4 & Fast Burn 385 Crate Engines (16 Springs) 1. The key to the power boost is the Hot Cam’s 0. of GMHTP's project 2001 Trans Am WS6, you know that we've been hinting at. 525-inch lift on both the intake and exhaust sides, along with 219-degree/228-degree duration specs. 94 Z28 LT1. If you are building your engine from scratch, it is a good idea to try to build it with a relatively low compression ratio, such as 7. C HYD ROLLER LT1/LT4 PERF 510/20. 350 vortec 400+hp build. The LT4 used larger intake and exhaust valves (2. Your '95 car is lacking a boatload of the required sensors for OBDII, because it is on the older OBDI diagnostics (which is waaaaay better btw). Look at the heads, LT1, LT4 and the "Hot Cam" heads. On the horsepower side of the graph, the LT4’s 650-hp rating is 29 percent greater than the LS7’s 505 horsepower (376 kW), and 12 horses more than the ZR1’s LS9 engine. Ex: the marine intake. Portly, but a good time and mph considering the rpm restrictive stock style intake setup. Hope this helps. 050-inch lift,. I have the Hotcam kit, 2800 stall, 3. To complement the ported heads and upgraded intake manifold they selected the factory Chevrolet Performance LT4 Hot Cam, P/N 24502586. They can be summarized as follows: LT4 '96 Corvette Production Engine - p/n 12551183, $5,950 list, $4,462. 6 roller rockers - GMPP valvesprings - Comp hardened pushrods - K&N 4" custom CAI - Pacesetter midlength headers - 3" Flowmaster catback - Magnaflow hi flow cat - QTP electric cutout - CSR electric waterpump - Taylor 8mm wires. I've read in many places that the GM Hot cam is a bitch to tune idle on. Rumor has it that it is more able to distinguish detonation from things like additional noise from a larger cam, headers, roller rockers, etc. Recognizing the Protection of Motorsports Act of 2016 (RPM Act) 06. Hagerty’s DIY series is your handy-dandy, easy-to-use video guide to tackling small projects any classic car or truck owner might encounter during the course of ownership. The Hot cam is a excellent street cam & will surprise you with 1st/2nd gear torque/acceleration. If you guys have any insight that may help out, I'm all ears. Welcome to the official Johnson Lifters® web page. 525-inch lift on both the intake and exhaust with a 112-degree lobe separation angle, this cam offers a great. -Full LT4 Conversion ( LT4 Heads, Intake Maniforld, Throttle Boy, Hotcam, Valves, Springs, 1. Vortec 350 LT4 Hot Cam Test Run on Homemade Engine Stand This is the 350 I have put together for my orange s10 that's in some of my other videos it is a stock 165k mile motor with a cam Don't Let This Happen To You!! Please be careful!! While transferring my engine from my engine hoist to my engine stand it fell to the ground. 55-inch (39. I just ran across this ad with a google search. 800" Installed Height; 16 Springs, 601-16 Hardened Steel Set of 16. 2L) dry sump 650 hp @ 6,400 rpm/650 lb. Head and Cam 400+ HP. Eric McClellan Sep 24, 2013. The ZZ430 was a ZZ3 / ZZ4 short block with Fastburn heads, the LT4 HOT cam, 1. Here is an 1989 L98 Formula that has had some good success with the stock style TPI intake setup. 12480033 - LS1 "Gen 3" HOT Cam Kit Pace Price $375. I know a couple people that have the hot cam in their lt1's and blow clean out here in Cali. For the LT4 supercharged platform, typical gains with our preloaded calibration are 15-25 horsepower and 25-35 ft lbs of torque with the most noticeable gains being the amount of torque increase down low. 7L (350ci) for road racing and street performance, this cam has found its way into the older carburated Small Block Chevrolet's as the preferred. The 65-67 L79 350 hp cam and the 68 L79 350 hp cam are shown the same in some documents and different in others. If the engine breathing combination (cam, carb, intake, heads, headers and compression ratio) are properly matched, the duration at. Since the dawn of the automobile - and most especially, the sports car - automotive engineers and enthusiasts alike have worked relentlessly to increase horsepower, engine efficiency and, ultimately, 0-60 and quarter mile times both on and off the track. I am in the Air Force and currently in Iraq. what i would recommend for an LT based motor is to get with lloyd elliot at eportworks. 93-97 Camaro or Firebird LT1 and LT4 Camshafts, Comp. GM Cams Camaro / Firebird LT4 Hot Cam, This hydraulic roller cam is for all V8 engines with roller camshafts. com or contact Bret Bauer who is sstrokerace on this board. LT4 valves are 2. C HYD ROLLER LT1/LT4 PERF 510/20. 5:1 stamped steel rockers you allready run. After doing a lot of research, a lot of people are recommending the-LS7 lifters #12499225. @ 3,600 rpm 1. It measures 218°/228° duration at 0. Most applications tend to run in the full emissions category. GM Crate 604 Small Block Chevy Timing Chain Kit For 1987 And Newer Engines With OEM Roller Cam "Single Roller Design"-12371043. This was the result. SKU: 24502586. Lingenfelter LT1/LT4 Dry Sump Damper Lingenfelter LT1/LT4 Dry Sump Damper Lingenfelter Performance Engineering 1557 Winchester Road Decatur, IN 46733 (260) 724-2552 (260) 724-8761 fax www. Over the summer I built a 383 with the Dart SHP 180 heads and used the GM Hot cam 234/242 never got it on the dyno but to ride in the car it is one impressive engine. I guess I'm looking for someone that has tuned one of these that could share a little on the issues. We are looking at a 1973 Chevrolet Camaro powered by a built GM LQ4 V8. I am new to chevy internal engine parts and i have some. I have the magride and the ZL1 team said they needed to tweak the magride tune for the extra weight up front. Need the complete Cam Install Package? 6th Gen Camaro C7 Corvette (Please note: These are high lift cams. I have the LT4 Hot Cam in a Vortec 350, the cam is not the thing that will get you to 450 or 500 hp, it is the total package. If you have any questions, please Click Here to contact us and we'll do our best to help you. HOT cam was never installed on the production line. It had great manners on the street and was fun to drive with a. 7:1 compression ratio, and long tube headers with full 2. 574 110 LSA custom cam. The key to the power boost is the Hot Cam's. the LT 4 is much milder than the Hot Cam. LT4 Camaro Discussions Car Forums. Hope this helps. I think the first stroker crank isnt for an LT1, i was also interested in a 383 crank and have already done alot of research, here was a link i used. The duration at lash point in degrees (intake/exhaust) is 279/287; duration at. yea i ported the heads and running bee hives, the LT4 hot cam will be very close in lift to the ZZ4 cam with 1. Please upgrade your browser or download modern browsers from here!. from the end of the camshaft. A ?-5: would represent ?5% from the base fueling in PE mode. Consider doing a LT4 upgrade - you can get it pretty much as a kit from Edelbrock now. Chevrolet Perfomance— PN 19301362. GM Powertrain OEM Sales is one of the largest automotive suppliers offering engines and transmissions for Marine, Industrial, On and Off-Road applications. The duration at lash point in degrees (intake/exhaust) is 279/287; duration at. I have the LT4 Hot Cam in a Vortec 350, the cam is not the thing that will get you to 450 or 500 hp, it is the total package. 525" lift with teh 1. 525-inch lift on both the intake and exhaust sides, along with 219-degree/228-degree duration specs. Save Share. 574 110 LSA custom cam. 54 weighing 3845 lbs. LT1 LE1 Heads 360 - 400+ rwhp; LT1 LE2 Heads 370 - 410+ rwhp; LT1 LE3 Heads 380 - 420+ rwhp; More information on cams can be found here. Discussion in 'The Hokey Ass Message Board' started by v8nova64, Apr 28, 2012. Jun 14, 2011. Wondering if anyone has a. I don't know where people got 160 and 242. This modern iteration uses newer lobe technology and valve events to help prevent the loss of bottom end torque that was sometimes associated with the original camshaft in lower compression or smaller cubic inch applications. 6rr's, LT4 springs, EM LT's and have some questions. The HOT cam has 3 degrees of advance ground in it. 6:1 rockers that come in teh cam kit. Great camshaft for LS1/LS2 applications where a really rough idle is desired with more top end power than the stage 3 cam, will need a stall converter!. If you guys have any insight that may help out, I'm all ears. GM Powertrain OEM Sales is one of the largest automotive suppliers offering engines and transmissions for Marine, Industrial, On and Off-Road applications. This dyno graph has the before cam and after cam pulls for comparison. With Sportsman II heads, LT4 Hot cam, TPI runners, and exhaust; this car has run 13. ©2003-2016 Carolina Auto. Torque Converter Sizing – What’s Right For Me? By Jason Reiss April 10, 2013 When we initially began to do the research for this article, we had conventional wisdom in mind – the less horsepower a car makes, the smaller dimensionally the torque converter can be, but as we covered the topic with our four specialists, we discovered that. It also is throwing 128 for low coolant temp. Part Number: 19355378 Pistons (P/N right hand 12674094 and left hand 12674093): Hypereutectic aluminum Engine Type: Gen V Small-Block V-8 Displacement (cu. 492, Chevy, 5. Consider doing a LT4 upgrade - you can get it pretty much as a kit from Edelbrock now. Just got my car back with PRC 2. Recognizing the Protection of Motorsports Act of 2016 (RPM Act) 06. P0300 multiple Misfire HELP!!!!! Jump to Latest Follow 1 - 16 of 16 Posts Billet Pro Shifter, Monster Stage 3 Clutch Premium package, Dyno Tune, LED Tails, [email protected] 1. contact us when ready to buy, sell, lease, trade or ship a corvette 866-838-8363 - 866-vettenet. I am really happy with the way it runs. Product Categories. Portly, but a good time and mph considering the rpm restrictive stock style intake setup. 8mm) Intake and 1. PERFORMANCE Hydraulic Roller Camshaft for Chevy GM LS1 LS2 LS Hot Cam 88958753. We are now offering LT4 supercharger conversion kits for the C7 Corvette and Camaro SS LT1 platforms! If you have an LT1 car and are wanting the OEM LT4 supercharger look and power this is the kit for you. 6 rocker ratio (intake/exhaust) is 525/525. Its legendary status is based on an incredible performance level that is stone cold. LT1 Valve Spring Kit, Moderate to Hot Cam Profiles, 135 Lbs Seat Pressure, Vsk4J21-Q5. I just scored a set of performer rpm heads for this engine, and was wondering if anyone knows the cam specs on the stock fast burn cam and the GM hot cam. C2 Performance Upgrades. LS1/2 Stage IV Cam 235/242. - Competition Cams valve springs. This will help keep the playing fields as level as possible. In Corvette: Technically Speaking, the 68 cam is shown as two different values. Here is where the long shot comes in. I bought tunercat and the definition file a while back. I'm going to take the LT4 to a local cruise in that has gotten pretty big over the years. By removing the AFM lifters, TSP is able to run lobes that offer better power and performance. 6:1 rockers that come in teh cam kit. Chevrolet Performance 24502586 - Chevrolet Performance LT4 Hot Cam Hydraulic Roller Camshafts Compare Camshaft, Hydraulic Roller Tappet, Duration at. This kit is a complete conversion to upgrade your C7 Corvette or Camaro with options up to 750bhp! WEAPON-X offe. Free Shipping - Ships Save $10 off $399, $15 off $599, $25 off $799, $100 off $1,699 Orders. After the upgrade the car dynoed at 281HP to the rear tires. That's less lift on the intake side than the stock LS3 cam, but considerably more duration, allowing the valves to stay open longer to draw in more air from the rectangular-port L92-style heads. LT1/LT4 Engines 2014-UP Direct Injection LT1 Performance Engines 1993-1997. Jun 14, 2011. A natural drag racer with their fairly light weight, rear wheel drive, strong transmissions, and simple suspension, the mid-'90s “F-body" cars also featured a stout 350-cubic-inch LT1 V8. 0L mill which came from the factory in some of GM's harder working vehicles in the late 90s and early 2000s. Sounds about right to me! I'm putting down 330 rwhp & 319 ft/lbs as measured on a Mustang dyno with a CC305 cam (basically lt4 hotcam) CNC ported LT4 heads w/ 1. Hagerty’s DIY series is your handy-dandy, easy-to-use video guide to tackling small projects any classic car or truck owner might encounter during the course of ownership. The LT4 used larger intake and exhaust valves (2. If I can get there in time to get my name in the list, I will be running my car! It's a '97 LT4 Hawk with K&N and Loudmouth, otherwise stock. I just scored a set of performer rpm heads for this engine, and was wondering if anyone knows the cam specs on the stock fast burn cam and the GM hot cam. Please upgrade your browser or download modern browsers from here!. 1993-1997 LT1/LT4 Engine Related. The LT4 hotcam runs. Recognizing the Protection of Motorsports Act of 2016 (RPM Act) 06. I am thinking of upgrading to the LT4 hot cam in my 93 6 spd, 1. LSx CRATE ENGINES. Chris Muzio at Danzio Performance Engineering recently bolted the dry-sump version (PN 19329997 available at Pace Performance) of the LT1 crate engine to his dyno. That’s less lift on the intake side than the stock LS3 cam, but considerably more duration, allowing the valves to stay open a little longer to draw in more air from the rectangular-port L92. From F-body to Corvette, Sierra to Silverado, G8 to GTO, we carry everything for making power with your LS or Gen V Ride!. Originally designed by Chevrolet Racing for the 1996 LT4 Fuel Injected 5. - rough by GaryDoug. Dynojet dyno's always have that spike at the tail end of a run. 56 and a truetrack, That deep a gear is the only hope for the 700R4, besides the best build I can put in it. 5 ratio rockers-Lt4 Hot cam-750cfm carb-dual plane high flow manifold-large tube headers with mufflers-flat top pistons and. 2L Camshaft Package. The key to the power boost is the Hot Cam’s 0. This kit comes complete with 16 LS6 valve springs (GM#12565117) and 16 new retainers. Hennessey Performance Engineering (HPE) has executed big plans for the 2020 C8 Corvette. The engines also use direct fuel injection technology, which shoots fuel directly into the combustion chamber instead of the intake runner. GM Performance Parts designed our Fast Burn aluminum performance cylinder heads for small-block applications just like our Fast Burn 385 turn-key crate engine. 24502586 Hydraulic Roller (LT4 Hot Cam) This hydraulic roller cam is for service only for all V8 engines with roller camshafts. Texas Speed & Performance LT1/LT4/L86 6. 491" Shaft - (Old Style Hei , Coil In Cap) For Use With Roller Cams. 1178 (texts only). 525 inch of lift (with the recommended 1. In the real world, if you start with an LT4 engine, add Long tube headers, LT4 Hot cam, Port and match the heads and intake, 52 mm T-body (anything bigger than that is a waste), a good cat back system, and an electric WP, you'll get about 360-375 RWHP depending on how good your tuner is. 6:1 rockers and an intake manifold produced by Edelbrock for GM. 525-inch intake and exhaust valve lift with 1. 95 for 90-96 models). While this engine was bored out a little, used Trick Flow heads, hotter than stock cam, it is a road map to getting more out of your L98. Originally designed by Chevrolet Racing for the 1996 LT4 Fuel Injected 5. Ford Modular vs Chevy LS: Stock. 6 roller rockers - GMPP valvesprings - Comp hardened pushrods - K&N 4" custom CAI - Pacesetter midlength headers - 3" Flowmaster catback - Magnaflow hi flow cat - QTP electric cutout - CSR electric waterpump - Taylor 8mm wires. I have the magride and the ZL1 team said they needed to tweak the magride tune for the extra weight up front. 73, M6, MSD ignition, ram air, 58mm TB, 30lb injectors, reprogrammed PCM, blah-blah-blah but without a means of exhaling (full exhaust) and no means of the PCM capturing the full benefit of the cam profile. These camshafts were designed to maximize the power potential of your engine and work well within the RPM range of the intake manifold. I am getting a complete stock 350 vortec motor to go in my 79 MC. IIRC he had the stock rears but still Holy crap. NOTE: The LT4 camshaft P/N 24502586 was designed to be used in many different engines. Comp Cam for Camaro/Firebird 93-97 LT1/LT4 engines, call for custom applications, shipping is not included. Bottom line (and painfully simple); These motors can't take too much of a cam, or anything for that matter, without needing some very expensive conversions. 10 gears, K&N and open air lid, and LT4 Hotcam. With Sportsman II heads, LT4 Hot cam, TPI runners, and exhaust; this car has run 13. The LT4 Hot Cam is only a 218/228 112 LSA so while its a nice bump up over the stock cam there are many others choices out there which are more agressive.