Lt4 hot cam tune. That cam drives stock and tunes really easily.

Lt4 hot cam tune 542/. I’ve tried calling a couple of dyno tuners in my area and it seems like most places I’ve found only touch cars 1998 or newer. With the stock chip i would think so. Car baselined at 239hp 237tq. Should I keep this the same or how much can I adjust this table w/o getting into Aug 12, 2013 · laying around but i know those are way too big for a simple head and cam swap. The Hot cam kit PN 12480002 includes roller rockers, valve springs, retainers, etc. The studs are better than most press ins but. ( '96 LT4 ) Car runs great until the O2 sensor and plugs foul. Oct 9, 2011 · yeah valve springs too also it has, x. Mar 17, 2005 · The engine was basically the same,in all the test except for the intake manifold, consisting of a ZZ4 crate motor, AFR190 heads, LT4 HOT cam, and SLP 1-3/4" SS headers. Jan 4, 2007 · I put an LT4 hot cam, 1. 6 rockers, mpfi upgrade, cai, long tube headers ,true dual exhaust getting ready for the turbo lmk if you need help with your 96-99 vortec just text my number Jul 30, 2013 · 1) Cam: I am leaning towards LT4 12551142 (not the hot one) but these are getting hard to find or the 96 LT1 12551705 Now Bogie it sounds like you have a lot of wrench time with these and you say something about LT4 might piss off TBI system when running 1. My stock TC seems to be fine for now. There are only so many people that have experience with the LT4 hot cam in an actual LT4 Apr 26, 2021 · 1994 C4 Corvette with LT1 and a LT4 hot cam installed with chambered exhaust and muffler eliminated. Pass Emissions?: Yes Shift Point for Maximum Performance: 6100-6300rpm Don't forget to like, comment, subscribe, and follow me on instagram!IG: KI_Motorsports Feb 4, 2009 · It will run you about $1000 - $1100 plus the lifters. Apr 21, 2002 · C4 Tech/Performance - Results: L98 with LT4 HOT cam and Long Tube Runners - I had my first chance to test the new combination at SLP day today. Sep 19, 2002 · On a LT4 all you need to do is buy the Hot cam kit. Otherwise you will be fighting the install and removal of the hub. 525 112lsa) w/ 1. Professionally Tuned - 383, CC306 cam. After the tune all issues were gone. Today I am going to Mar 13, 2011 · I have a friend with an lt4 hotcam thats used out of his 94 Z28. 050, . Dec 8, 2002 · I know there has been endless discussion of putting the LT4 Hot cam kit on LT1 cars, but now that I'm about to give my car to a speed shop I have a lot of questions on the details. your GM LT4 HOT cam has 218/228 degrees duration at 0. 6 ratio roller rockers with 110# springs (LT4 spec), an LT4 knock sensor and a tune into my totally stock 95 LT1 6 speed. '94 LT1 - After a new install of the LT4 hot cam kit, the idle is rough. Last edited by Oleblu; 11-14-2021 at 09:01 AM . This cam measures in at 226/266 intake and exhaust at . IIRC, my curb weight is Mar 3, 2004 · C4 Tech/Performance - LT4 hot cam issues260rwhp? - I finally had the car on the dyno after the having the hot cam installed, ported heads and intake. 1996 5. I did a search here and didn't turn up much. 525/. Idle after it's at operating temp. A well thought out combination of parts is what makes a vehicle perform better than in stock configuration. Professionally Tuned - Stock heads, LT4 HOT cam. Like the Xtreme Energy 230/236 in my 396. Lobe Separation Angle (LSA): This affects the engine’s overlap and tuning. This will give you the clearance you need for the LT4 Hot Cam with a 1. 7 with lots of help from lextech. 492/0. An older design but has proven itself in terms of reliability and decent power output. The primaries were just a tad over showing a square transfer slot. 33 :D 89 coupe 6speed 3. Here is a break down the kit along with cam specs. seems slittle too common. 040" clearance before coil bind). The Mechanic suggested new lifters, but others have told me the stock lifters will work Apr 30, 2019 · Personally, I'd drive the car with a stock tune and see if you like it before worrying about trying to fix problems that may not even be a problem. 22 Jul 29, 2002 · C4 Tech/Performance - Getting LT4 Hot Cam kit installed, do I need anything else? - Going to have the LT4 Hot Cam kit installed this friday by good local mechanic. If you guys have any insight that may help out, I'm all ears. What have others done to create more vacuum in the brake booster after installing a performance cam? Is there a way to add a vacuum tank and/or pump to assist the Mar 24, 2020 · Lloyd's cam will give a bit more power than the hot cam. You get more ooommmph with less pedal. 60 over, giving it 360 C. 75 out of 5 stars. Also that it has press in rocker arm studs. Need help with tuning Sep 16, 2003 · C4 Tech/Performance - LT4 Hot Cam Question - I have a LT4 and am anticipating installing the LT4 Hot Cam. No way in hell you are going to make 550 hp with a hot cam, especially not a hot cam and stock lt-1 heads. I keep getting a cam over advanced dtc. The engine had a slight lope at idle. 564 at 104. I recommend the LTx specific harmonic balancer remover by Kent Moore. Mar 22, 2023 · C4 Tech/Performance - 1991 L98 LT4 Hot Cam KIT, LT1 Intake Swap, Miniram - Hey all! New to me 1991 L98 ZF6 Previous owner installed the GM Performance LT4 Hot Cam Kit including upgraded valve springs and 1. I really don't know what all I should change in order to adjust for the cam. Precision Race Components LT4 CNC 312cc ported cylinder heads. 540 so "on paper", they are not safe for a . 1995 Impala SS - Hypertech power tuning. He recommends Bryan Herter. 509 E. I wanted a 300-350rwhp nice summer driver so here's what my 95 Z28 got: LT4 HC kit with 1:6 RR's, mid length headers, k&n intake filter, new plugs wires and opti cap and rotor, msd coil and the LT4 knock sensor module. Nov 14, 2009 · Has anyone runthe 071 ZZ3 cam with the LT$ Hot cam springs and retainers? it is shorter duration and less lift so I can not imagine whay they would not work. Sep 27, 2024 · The LT4 hot cam is mild, so you wouldn't be leaving as much on the table as you would with a larger cam, but it still wouldn't be at its full potential. Only got 1 run in before the rain ended my day but it's a good starting point. Nov 23, 2010 · LT4 Hotcam (same cam for a ZZ4 I believe) or GM 846 would work nicely. 5" tailpipe. Pull to 6300-6500 Sep 4, 2009 · Not so with the LT4 Hot Cam. the Hot Cam has such slow and lazy lobes that these Apr 19, 2004 · C4 Tech/Performance - LT4 Hot Cam in a stock LT1 - Do I need to get the entire Hot Cam Kit that includes the GMPP 1. 0 Jan 7, 2007 · Hell, just a hot cam or LPE 211/219 and headers will get ya there w/o screwing with anything else. 2 1000 10. Though it does have a dyno of over 350 RWHP, it now idles awful, does not hold an idle until it reaches operating temps and the idle got choppier. sodium filled, valves of the LT4 (lighter). It ran a little rich at low end that I corrected with individual cylinder trim multipliers. Everybody wants to maximize the performance on their engines, but reading dyno tests from back in the day, the LT4 with a Hot Cam and stock tune didn't leave much, if anything, on the table. Before hot cam 286 RWHP after 326 RWHP. the motor thats in there now runs fine but I wouldnt mind throwing in a brand new motor, but anyways has Jun 13, 2005 · I used their mailorder tune and then got their dyno tune and if memory serves me, I only picked up about 7hp with a dyno tune. I adjusted my idle screws and got 15 inches of vacuum at 750 RPM. You don't need to reprogram the computer with just changing to the Hot cam. No tune. does anyone have a decent cam and spring setup? not wanting the lt4 hot cam. Is the Hot cam worth the effort? Not worried about keeping stock at all . Here is my take on it. . After cam made 283hp 246tq with some slight tuning. Apr 3, 2009 · LT4 “Hot Cam”: (218/228 . 050. 2L with the Texas Speed & Performance camshaft package! Our kit will include the following items: Your Choice of TSP LT V2 Camshafts; Precision Race Components Dual Valve Spring Kit for LT4, with Titanium Retainers; Set of 16 7. 0 Mar 8, 2011 | 07:45 PM Share I have a 2015 Silverado with a AFE CIA, BTR 220 cam with 32% lobe, stainless works LT's, LT4 HPFP and Injectors. Here are the cam and engine specs: GMMP LT4 Hot Cam 218/228 duration at . 4. 6 rockers on my ZZ4 along with Edelbrock 6085 centerbolt heads and ProFlo EFI. I have a '95 A4 w/3. Mar 4, 2021 · C4 Tech/Performance - Tuning a 1992 corvette with a lt4 hot cam - So I bought a hot cam kit from summit racing and been thinking would a mail order tune do the job?. That being said the LT1 / LT4 & especially LT4 Hot Cams were designed for a much shorter runner setup than the TPI. 6 roller rockers. First California smog test since getting engine running a couple of weeks ago. It's got it's power curve in a higher RPM range than the stock cam does, so you will make more high RPM horsepower, but you lose a bit of low end. 6 rockers, while the stock LT4 cam has only . As for getting more HP. starts and dies and if keeps running stumbles at about 2 or 300 rpms for about 5 seconds then cleans up. If putting in a 350. What can I do to get the most HP and TQ. 050 installed straight up with 1. - I have a buddy who wants more power out of his LT1. too the idle and idle air flow. soon i'll have hot cam on a 383 dyno numbers. 58 cc throttle body, a new Borla exhaust system and a K&N air filter. 500 lift. I got a lot of information on the DIY-EFI/GMECM website. A e-fan swap will help, headers will help , free flowing exhaust will help, A cam swap, and head swap will also help a lot. 5 rockers and LT4 springs/retainers. Nov 11, 2007 · C4 Tech/Performance - LT4 hotcam with stock tq converter? - Hey guys, been trying to decide what i wanna do next. D. 525 with 218/227 duration. Before going off the deep end with a cam choice remember the air flow limits on a stock vortec head and the flow stalls around . Nov 20, 2009 · C4 Tech/Performance - LT4 HOT CAM vs CA Smog, the results are in - 96 Lt4 with 140,000 miles, retro fitted with LT4 Hot Cam ; new Opti II, new plugs and plug wires, Corsa cat back exhaust; rest stock. Bigger cams will usually want a bit more timing. 222 E. The tuner suggested it may be my plugs??? I have brand new rapid fires. 13 1/4 Mile Time 13. (This will require an adjustable timing set). 6 rockers, performance lifters and reworked heads. That is what I shoot for with the stock cam or the 395 Marine cam. Not looking to spend that much, but wondering if there's an aftermarket option that would be equivalent without spending that much. Also change all gaskets including the oil pan gasket. Thanks :bigears Jul 23, 2015 · I did my hot cam swap with the engine in the car; nice upgrade; replaced the valve springs and seals at the same time with stock LT4 items; replaced stock LT4 timing chain set with an LT4 "extreme duty" timing chain; pricey but definitely more rugged. I'm having problems tuning. Where you have an LT4 match the Aug 6, 2007 · People recomend the GM Hot cam commonly because in an otherwise stock LT1/LT4 engine ("and" even with some decent mods), they really put out some respectable power(and dyno numbers) and at the same time, it's a VERY VERY tame cam that dosn't ruin your drivability one bit. My truck is an extended cab Z71, short bed. 5 rockers now, and I'm having troubles with the start ups it sputtered then immediately dies only way it will start is being peadled. Dec 25, 2009 · C4 Tech/Performance - LT4 Hot Cam - Hi I have a 1989 corvette with a 350 TPI (L98) and I wanted to put a cam in it. 8 at 97mph now I ran 14. The engine will run better and make more power. Is the LT4 hot cam kit a good way to go? I believe this kit comes with LT4 heads, manifold, hot cam , roller rockers, etc. and ive heard rumors about people running lt4 valve springs with a cc306? good or bad combo? May 10, 2021 · LT4 Hot Cam L31 Vortec Jump to Latest 2. The larger 60121 looks to have a little too much exh. Chevy doesn't release some of these specs and the other sources I tried are missing half the data as well. Just want to hear from guys May 4, 2014 · via YouTube Capture May 9, 2020 · The LT4 Hot cam is a very good versatile cam. 6 and the springs and retainers are already on the LT4 heads. I have the cam in my motor. Brand: GM Performance Product Line: GM Performance Parts LT4 Hot Cam Hydraulic Roller Cam Kits Part Type: Camshaft and Lifter Kits Part Number: 12480002 Cam Style: Hydraulic roller Aug 10, 2020 · I’m going to run the LT4 “Hot Cam” with 1. Dec 17, 2016 · The Alex spring kit and the LT$ hot cam make a nice uprate for the L31. Chevrolet Performance LT1/LT4 Hot Cam - 24502586; Lunati Bracket Most people average 300-320 whp after the cam swap and tune on a M6. I think my engine Jun 2, 2005 · Well i don't believe that. 91 1/4 12. A narrower LSA (around 110°) can maximize low-end torque, while a wider LSA can help with higher RPM power. 43 @86. stock m6 245-265rwhp Sep 6, 2021 · Recently did lt4 hot cam swap in a 98 chevy with 350 vortec on the black box, it's 218/228 just 1. He was making almost 450hp with a 355 and t56 with the stock 10 bolts. You will be fine with stock Injectors. 6 rockers, 383 LT1, headers,Unported stock heads. mainly wanting a cc306 or cc503. 525 lift with 1. 6 roller rockers, bolt ons. 7:1 ratio rockers your definitely going to need to install different valve springs, those Comp Cams Springs- PN#26918 will require the heads be machined in many cases, C4 Tech/Performance - LT4 Hot Cam horse power gain - How mutch horse power gain could I expect with a instalation of a lt4 hot cam package in my lt4. S. Get a Bryan Herter Tune 120# Seat Pressure more than enough. The stock tune shows the base advance being at 2deg. Nov 6, 2021 · This tune file is for my l31 t56 c1500 very similar camshaft specs to the lt4 hotcam. All said and done, I am going with LT4 Hot Cam Kit, 32 pound injectors, boring the motor out . But Primal Instinct and i installed a hot cam and LT4 springs on his 120,000 mile L98 auto,STOCK heads with 3:07 gears,we ported his plenum,and base manifold,it already had ASM siemese runners,he added true dual 2 1/2 inch exhaust with no cats or resonater,a vortec intake filter kit,removed all smog stuff,and i might be forgetting Jan 17, 2025 · C4 Tech/Performance - Tuning for Lt1 - 24 y/o bought my dream car 92 c4 put a lt4 hot cam in it. With stock heads and a good tune, when does the Hot Cam start making Jun 25, 2013 · Up to a point, hot rodders can tune the opening rate via different-tension diaphragm springs. On the LT1 it is an upgrade across the board and not a compromise. Aug 21, 2016 · I figured I'd start a new thread since I'm starting over with my carb tuning. Sounds phenomenal! Reply. On my Express van the timing map is never lower than 20*, 26* by 2,400 rpm and a full 32* by 3,600. 6X rockers, since that was what was used in the Corvette LT4 engine. Yea there are several things you can do to your truck A custom ECM tune will help a lot. 525"lift is with 1. GM crate 8,800+ GVW L31, production LT4 camshaft 203/210 @ . It was designed as a replacement cam for showroom stock racing for LT1/LT4 engines which came with 1. I don't have access to a wideband 02, and don't have the money for a dyno. I put the hot cam in my 93 6spd. with stock ported heads and an lt4 hot cam youll probibly make like 340 rwhp if you put full bolt on and a tune too Nov 7, 2009 · It depends on the specs of the new cam. So - "Back in the Day" - Chevrolet Performance put out the Hot Cam kit for the LT4 cars - supposedly the LT4 "Hot Cam", a good set of headers, and a tune could get 425 (crank) HP from the LT4. 85" TSP 3/8" Hardened Chromoly Pushrods (25 Sep 1, 2019 · Chad speier may help there, as cast with a good valvejob and a cheap hyd roller spring package and find a hot cam or similar. Aug 14, 2015 · Another option is the LS6 beehive springs (GM part# 12499224) combined with Comp Cams 648-16 valve stem locks and 787-16 retainers. FWIW: I use a Comp 503 cam along with 1. What should the stock Heads be ported to?. 8K views 2 replies 2 participants last post by Cake. Here are a few popular options worth Feb 21, 2013 · Lt4 hotcam is a great proven Cam. Can someone tell me or lead me in the right direction as how to tune my 5. the guys on here actually helped me get it running right but im making close to 500 rwhp havent got it to the track yet. 476/. He can use stock springs, timing chain, pushrods, rockers, etc. and it increased power and SOP feel of that power all across the rpm band, it is IMO the perfect street cam. 525" 118/228 112 Feb 21, 2010 · This combination should work within the constraints of the LT4 springs. Sep 3, 2008 · C4 Tech/Performance - Low booster vacuum after LT4 Hot cam install - For a '94 Vette w/ LT4 hot cam, 1. Take a look at this: Oct 12, 2009 · The Hot Cam springs are pretty week and can BARELY handle the Hot Cam and will NOT work with ANY aftermarket cams. 6 rr but have never installed it. The results were 260 rwhp. It looks like the 0411 swap is dead with out lextech's assistance . Torque is what its all about in a stroker. Wether it will run 87 will be dependent on the tuning. 6:1 350 with aluminum Assault racing heads and a 215/224 @ . Jul 23, 2015 · I did my hot cam swap with the engine in the car; nice upgrade; replaced the valve springs and seals at the same time with stock LT4 items; replaced stock LT4 timing chain set with an LT4 "extreme duty" timing chain; pricey but definitely more rugged. I put the car on the dyno to see how the tune did. 4 at 99mph Aug 10, 2001 · i pulled 320rwhp 319rwtq on stock bottom end with hot cam, 1. Hypertech blower program, M6. If you go with the 846 I would probably advance it 4 degrees as well. #c4corvette #corvette #corvettec4 #chevrolet #c4 #vette Mar 26, 2009 · LT4 Hot Cam: (218/228 . - Mar 26, 2011 · I did a hot cam swap last winter and my 95 ran like crap until I got a tune. The LT4 hotcam's specs are always advertised using 1. Degree the cam for 2 extra degrees advance. 050" lift. Has good street manners and will pull very easy to 6500. I want to change to the lt4 cam as well but how the hell does a person program the black box to cooperate . Should not exhibit cam surge with a good tune and proper supporting mods. The LT4 hotcam with 1. 500 duration. 6 ratio rockers. The TPI setup would be far to restrictive in the upper RPM's for any of these cams to really perform Apr 1, 2008 · C4 Tech/Performance - Rough idle after new install - LT4 Hot cam kit - I was asked to repost this in Scan&Tune. they have 105 lbs on the seat, 280 lbs open and coil bind at . I also had my pcm sent away to get reprogrammed at pcm4less, but did not notice any diffrence before the mods I ran a 14. To me this is a really small cam. However, once you cross over the 224 @ . Will the HOT Cam work "well"?. 6 Roller rockers, as well as long tube headers and a tune from PCM of NC Car has original 113 heads I am pretty Dec 12, 2011 · C4 Tech/Performance - LT4 Hot Cam in 1996 CE LT4/M6? - Hi, If you want to upgrade an LT4 engine from the factory cam to the LT4 Hot Cam from GM, are there any other parts required other than the cam? I'm asking because I think the LT1's need new valve springs when upgrading to the LT4 Hot Cam. Sep 23, 2012 · C4 General Discussion - Dyno Tune With LT4 Hotcam - Got my car tuned at Pro Dyno Tech today, after installing an LT4 Hotcam and electric water pump. Have long tubes , exhaust , cat delete , 3. 92@107mph at Edgewater. Sep 27, 2009 · i just swapped in a 383 with an lt4 hot cam, full bolt on, ported afr heads. NOTE: This is a BIN file and will need to be converted to the LT1 format. 96 @109. 6 rockers, gutted cats, gasket matched heads/intake, k&n, muffler eliminators, 52mm tb and a pcm reprogram. I did some slight adj. truck runs great after wormed up. I think you should always get a tune when swapping cams, even with the LT4 hot cam. Have not changed the idle setting but it will smooth out and then get rough again to the point that it shakes the whole car like a Jul 18, 2010 · LT4 Hot Cam Specs The zz383 uses cam similar to GM 846 Cam 112lsa I. IDK with 1. 6 rockers, long tube headers and 24. 9. I was just curious as to what it feelt like running a stall and whether it was necessary, advised or needed. I would advance the LT4 Hotcam from the drop in 109 ICL to a 105 ICL. The LT4 hot cam has . @ 1293 rpm, HC, max allowed = 52 ppm, Oct 5, 2021 · C4 Tech/Performance - LT4 cam upgrade - Hey all Anyone with any recommendations on cam Upgrade on a 1996 CE LT4 ? 15k on drive train. 70 gears and the cam. 25" exaust with a single magnaflow and tuned with tuner cats I just dynoed 340 uncorrected and 324 with 360ft tq corrected at the wheels. 4l60e with upgrades. I may see an increase in power, but for sure an increase in efficiency. 30 over making it now a 355. The solid valves in the LT1 motors weigh more so those springs will wear quicker and start valve floating faster than one more suited for the heaver valves in the LT1 Jun 7, 2017 · You can expect a nice broad power curve with a strong mid-range, good top-end and good drivability. Injector size? Do I need a larger TB or is stock good enough. Others may have different opinions. I've got a Holley SA 670 on my 355 SBC with LT4 hot-cam and Sportsman II heads. My 750 Holley street HP VS carb took care of that problem. 6 roller rockers, will boost your HP and TQ both and it will do it all across the rpm range. K. Exhibits great drivability with a nice mid-range, step up from the factory LT4 camshaft hence the "Hot" in LT4 "Hot Cam". 73 gears, and a new maf. Sep 30, 2006 · C4 Tech/Performance - lt4 Hot Cam-383 How much torq and HP - I have LT4 hot cam, 1. compare your tune file with this one to see differences. Eveything needed for the head. 45 May 11, 2021 Mar 17, 2011 · C4 Tech/Performance - A tune for an LT1 converted into an LT4 Hot cam - The car is running awful. Professionally Tuned - Ported heads, CC306. From the specs and cam card that came with the kit I don't see where the issue would be. But, ya got to get it tuned right. 09 gears and have been able to run high 11's at 115. 479" lift, 115* LSA, 116* ICL, running a ported stock intake manifold, 70mm throttle body, LT1 B-car exhaust manifolds into the factor dual 2. 82 at 82. Jan 27, 2020 · Stock PCM will work with hot cam without tuning. 33 rear 350, 10. answer: An LT4 hot cam will not work in an otherwise stock pickup truck. No dyno numbers as Tracey had done a 'seat of the pants' tune back in '05-'06 but with the 3. The top dyno chart is my 97 Express. Jan 30, 2023 · A massive part of the confusion around the LT4 hot cam is most people put the kit on LT1 cars. Feb 21, 2016 · There is no smaller LT4 Hot cam. Anywho i was thinking about it and what upgrades Aug 12, 2002 · Re: ZZ4 & LT4 hot cam kit (Older Than Dirt) I am running the GM HOT cam and 1. Oct 17, 2014 · Hotcam good cam. For example, a HOTCAM will run okay with a stock tune, but better afterwards. another month or so! Jun 30, 2009 · T-56, SLP Cold Air Intake, Pacesetter Ceramic Coated Headers and Off Road Y-Pipe, Magnaflow Exhaust,Trick Flow Intake Elbow, Hurst Comp Plus Short Throw Shifter,Trifica 91+ Tune and lt4 Hot Cam Kit, Spec Stage 3 Clutch 1/8 Mile Time 8. My main question is that if I replace the valve spring with LT4 valve springs and stick an LT4 hot cam in it do I have to change any thing else (such as something vitale that the engine will not run Oct 27, 2003 · Most stock LT4s are 300/300 (hp/tq) to the rear wheels. Most of the difference was in the rocker ratio. 65 ratio roller rockers and Compcam conversion hydraulic roller lifters. But I think it was still in the range of acceptability. All new 6-bolt Precision Race Components LT cylinder heads! MADE in the USA!! CAST in the USA!! Get everything you need for your camshaft swap for your 2014+ Gen 5 LT4 6. The cam card states to install dot to dot, which i did. 525 inch lift, the LT4 Hotcam springs handle a max Dec 17, 2013 · I have searched and found some good information but no sure answer. 45 gears. 45's. Idle speed and Kpa was improved by tuning closed TPS timing, idle underspeed/overspeed timing and setting idle RPM, all done after TPS voltage adjustments. The kit# is #12480002 and runs around $500-$560 depending who you buy it from. Is there a modification, chip, or tune that will match the Hot Cam? Reply. Nov 5, 2008 · The gentleman in question had to leave the TPI intake, but he put ported heads, a LT4 Hot Cam, and long tubes on the car. Power curves will be similar with Hot Cam dropping off a little sooner. Pass Emissions?: Yes Shift Point for Maximum Performance: 6100-6300rpm Sep 24, 2013 · To contrast the GM Hot Cam we went to the shelf and picked out the proprietary TPIS ZZ409 cam to test. 530'). 6 rockers, mpfi upgrade, cai, long tube headers ,true dual exhaust getting ready for the turbo Jun 1, 2016 · Thanks for the input. Its only a . I bought the ZZ9 some time ago along with CC Magnum 1. 8 mph. I am tossing the idea of putting in a cam during engines class next semester. The car has 47K and how about replacing the cam Jan 22, 2013 · As for the tune, you can get it either before or after and it won't make a whole lot of difference, but it'll run like with the wrong tune either way. 525"/. That cam drives stock and tunes really easily. I have had no luck getting information on the swap that looks reliable , I'm about ready to sell the truck just so I can have some tuning flexibility in a newer truck . I do run 87 for daily driving & use 91 for playing around, or, heavy towing. That's what I'm using on my L31 with a hot cam. 563 lift w/1. With decent heads and intake you can make well over 320 whp. cams such as the LT4 Hot Cam, cc305 and GM846. 1/6RRs. I would also get the roller push rods for an additional $30. Capable of Passing Emissions?: Yes Overlap: +3 degrees Nov 1, 2003 · dyno'd around 394/415. Aug 8, 2014 · I just got done putting new factory heads and an LT4 Hot Cam kit into it. Mar 11, 2009 · Thank you for all your help. Nov 10, 2021 · The LT4 HOT cam (not the LT4 cam) is similar, but is more expensive. Is there anything else I should be doing while he is in there. I installed the Hotcam, 1. 310rwh Feb 2, 2008 · LT4 Hot Cam: (218/228 . Lt1 cars make 350-360’s easily with good heads and that cam. The idle speed was increased to 750 RPM with the tune so that it would not set a misfire code. Dec 8, 2010 · My ZZ4 with the LT4 Hot Cam, roller rockers, lightly ported heads, & Manley valves (improved flow, but stock sized) is making 328 rwhp & 355 ft-lbs of torque on a chassis dyne. May 19, 2014 · Ok, so I just recently installed the hotcam kit along with a few bolt ons such as headers, cai, 3. com. lb per hour blue top fuel injectors, a Truck MAF and stock Map sensor I am reworking my wiring harness to remove all the pollution equipment, rear 02 sensors Oct 7, 2008 · Hi its a 1987 Corvette,355 Hypereutectic flat tops,zz4 cam and lt4 springs,3. Feb 16, 2012 · My hot cam tune idles at 700 in drive RPM in the very low 40's Kpa (12-13 in Hg) vacuum. You can also expect more power and a more pronounced idle vs. That means the ECM controls a lot of things along with the engine management. 75" factory cats and piping and a magnaflow dual in/single out muffler with a 3. 492 inch Lt1+ lt4 hot cam & springs + pace setter longtube headers + ory pipe+ Loud mouth muffler dumped before axle. com . 476 lift. Had to add more fuel down low to get the torque curve to come on sooner and take away some up top. The springs in the kit will work, I just don't like them. I was told that without a tune as soon as the engine left the rebuilding Apr 27, 2009 · That is all. I am running a new rebuilt LT4 with a lt4 hot cam, long tube headers, light head work and 1:6 rr. idles nice or nasty depending on tune, passes emmissions test, gets good gas mileage, is billet not cast, and hey those newer lobes and/or a custom cam will give you about 5-10 more horsepower and cost 50-100$ more Require $200 more valvetrain to control. 6 Roller Rockers, valve springs, retainers, valve locks & shims that goes for about $659? Or can I get by with just the Hot Cam itself that goes for about $219? If I do go with the Hot Cam, how much and Nov 10, 2006 · The LT4 HOT cam is right on the edge of a "bumpy idle"it's mild enough that you can tune the bump out of it, but it's big enough that if you want it to lope, it will lope. 7 rockers. 1994 - A4, long tubes, 1. The Engine Control Module (ECM) was a '92 TPI stock ECM (MAP/speed-density) with a modified EPROM. idles nice or nasty depending on tune Sep 25, 2017 · I recently installed a LT4 hotcam and did the 0411 swap in my 99 chevy 5. I have never used a GM 845 cam and not sure of its specs. 09 1/8 8. I've found it for around the $700 mark, (camshaft and complete valvetrain). The LT4 Hot Cam has slightly less duration than my Summit 1105, but it has tons more lift. 525 lift cam (you want at least . 050, and a valve lift of 0. It was running poorly at lower rpms and thanks to them, it now runs very nice. Chevrolet Performance LT4 Hot Cam Hydraulic Roller Camshafts 24502586 NAL-24502586. The Boos Performance 400+ HP LT1/LT4 Head and Cam Package INSTALLED - $6,995! Imagine having the horsepower of the new C6 Coupe in your C4! $6,995 is a great price to upgrade to the power of the latest Corvette. 6's. yeah, it's better than stock. 07 gears,TH700R4 with a B&M Transkit(Raybestos Stage I friction and clutches) + Street/Strip mode Shift kit,B&M Holeshot 2400 RPM Torque Converter. Dec 6, 2018 · Not really inclined to swap the cam, but got to looking at what the LT4 hot cam kit costs. 6 rockers, I am wondering whats your thoughts are now seeing you got a few more years of Aug 28, 2003 · The stock LT4 cam isn't really that much more aggressive than the stock LT1 cam. 7 Vortec with a LT4 Hot Cam? I originally did a mail order tune and it doesn't want to idle right and doesn't have anywhere near the power it should. Wondering if someone can help me out or even share their tune file with me. I have an assembled 0 mile 355ci LT1 in my garage with a LT4 hotcam, and slightly touched up heads. GM spent alot of time on this grind cam for the LT1/LT4, and it still (many years later) surprises alot of people Mar 6, 2011 · LT4 hot cam Electric water pump Tunemail order, but needs to be fine tuned. My LT4 with only intake, long tubes, great exhaust with high flow cats and TUNING made 327 rwhp and 341 torque with 100% stock everything else, but again was very well tuned and the rev limiter was raised to 6500 Gotta love vortec heads! The low buck 350 L31 hits the Dyno! The results were better than I expected. Jun 8, 2022 · Duration specifications for hot cams often range between 220° and 250° at . the tune is pretty much by lextech. Jun 27, 2015 · My LT4 with the Hot Cam and LT Headers and Corsa Exhaust produced 324hp and 330lbft torque at the wheels with a dyno tune. pipe true duals ,3. I had one in my street car and with a T-56 I thought it was bucking because of the cam having too much duration, it turned out to be a bad Eddy 600 that was too lean at part throttle. 050 comp cam. Sep 20, 2016 · C4 Tech/Performance - Lt1 w/lt4 hotcam rebuilt 355 dyno tune - Hey guys, Finally getting my 96 c4 ce dyno tuned using a dynojet put in Huntington Beach by Steve at powertrain Dynamics. The LT1 has block redone and is . Regular distributor gear and fuel pump lobes. On the other hand, GM sells an LT4 HOT cam kit, with 1. 6 RR's 112 LSA When the car had the right tune you could barely tell it had a much bigger cam than stock in it, and that was with longtube headers and no cats at the time. You can't make that kind of power with a Hot cam and any kind of heads to be honest. 460" before running into retainer to valve guide interference. GM wanted this cam to be used in multiple and various engines. I assume rockers, maybe springs, and obviously cam. Feb 23, 2016 · As for milage, yes it will help. Nov 23, 2024 · In 1996 - all the 6 Speed cars came with the LT4, in previous years - the 6 Speed cars had the LT1. With all the exhaust, cam, and trans work you're doing, I would recommend spending the extra $100 if you can spare and get the scan cable tune where they take readings from your truck with the Nov 12, 2002 · C4 Tech/Performance - TPIS ZZ9 vs. 6 rockers makes 0. I. This will hurt power slightly tho. This is a super simple build and an easy way to make 40 Oct 26, 2004 · C4 Tech/Performance - LT4 Hot Cam specs - I need the equivalent of a cam card for the LT4 hot cam. With tuning most LT4s with the HOT Cam put down 335-345 rwhp and ~325 tq. Dyno 2K shows 444hp and 425ftlbs of torque with my setup. The between the lines message is that the L98 leaves upwards of 40hp on the table because the cam isn't optimized for use with an L98 style intake system. 27 open diff she ran a 13. But the Hot cam will keep it factory like without too much fuss. It requires 1. If the pcm senses detonation, it will adjust timing to correct it. 60' 2. 5's will give you approx . And intake / filter upgrade. What I have-99 Yukon with 5. The transmission i am ordering is a new reman. Now she has a Ford 9" with 3. Aug 21, 2003 · Back to the topic of Hot Cam streetability: A highly respected local mechanic who has installed a lot of Hot Cams in BBodies assures me that the Hot Cam will be streetable at lower rpms with my 2400 stall/3. lift for these springs (0. 6X roller rockers, new valve springs, retainers, shims. The only mods I have are long tubes, Corsa and open air box. The Hot Cam will probably be around 380-385 in a 383. So best I see it is the Hot Cam with headers and tune will eliminate the driveline loss from the flywheel to the tires of the stock LT4. 495. Modded intake and throttle blade, blackbear tune, pacesetter longtubes, dual into single exhaust no cats or Nov 23, 2024 · In 1996 - all the 6 Speed cars came with the LT4, in previous years - the 6 Speed cars had the LT1. 528 Lt4 hotcam is a great proven Cam. Jan 1, 2010 · I started the car this morning, and still 12" vacuum. this is a known well working tune file. having a hard time on the start up. Apr 23, 2024 · Installed the GM Hot Cam. 4 at 99mph Oct 19, 2013 · I've read in many places that the GM Hot cam is a bitch to tune idle on. Thanks Apr 2, 2009 · The LT4 hot cam in the L31 The L31 Vortec heads can only accept a max lift of around . May 3, 2002 · C4 Tech/Performance - LT4 Hot Cam Speed Density Tuning - I just converted my Holey kit to use a GM 7727 ECU by building a wiring harness. LT4 HOT Cam Comparison - Looking for Hard Data - I know some of you guys are running the ZZ9 and many are running the Hot Cam. If I go with the Comp Cams XFI part I was looking at I need springs retainers machine heads for more lift. 73 gears ,2400 stall converter just refreshed engine bearings, piston rings I still dont tune it ,With a nice tune what should be an approximate quarter mile time Jun 12, 2019 · LT4 Hot cam with matching springs is one of the few bargains available for an LT4 engine, you won't be disappointed; and it is a "drop in", assuming of course that the one year non adjustable pedestal mount roller rockers are in good shape. Jan 12, 2016 · The LT4 hot cam is in thousands of old school SBC's; both poorly matched and well matched to the rest of the combination. 6RR's An older technology design that has proven itself in reliability and decent power output. shortie headers to a single 3. 6 ratio rocker arm and requires no machining on the head. Trans is a 700r4 with a Vigilante 2800 stall converter. take away only the hot cam, port matching and pcm tuning and i was only at 260rwhp. Using 1. saw lots of threads about LT1 guys upgrading their cam setups with the GM Hot Cam kit #12480002, but not much for the L98 guys. Dec 28, 2018 · 95 z28 with LT4 Hot cam and 1. Feb 21, 2013 · Lt4 hotcam is a great proven Cam. 050 range in cam duration, you'll probably have idle problems primarily due to the stock idle speed being so low. Does the LT4 engine also Jun 1, 2006 · I ran a slightly larger cam in my LT4 when I did heads and cam, it was the GM846 cam by Crane, the specs were; 222/230 Duration @. And the heavier valves the LT1 use will sometimes cause the valve float issue. Apr 5, 2019 · 28-30 is a bit on the low side. 4:1 Nov 14, 2002 · C4 Tech/Performance - Need advice on the LT4 hot cam conversion. 6rr, Compcam Pushrods, lunati beehive valve Jun 10, 2018 · You have an OBD II ECM system. 7 vortec k1500 (4x4) 411 pcm swap ,lt4/lt1 hot cam ,1. 6RR's Good drivability with a nice midrange, step up up from the factory LT4 camshaft hence the "Hot" in LT4 "Hot Cam". The real power is going to come from the heads, and the LT1 castings do not stand up against the LT4 castings in any way. Part Number: NAL-24502586 Estimated Ship Date: Today Jan 17, 2012 · The LT4 hot cam with 1. and add 250 to 300 to the tab even if I do it myself. The car is showing a lot of spark knock. Well he diecided to go bigger and better with just everything 24x swap bigger cam, valve job, all the goodies. Now I'm having second thoughts about the Jan 18, 2016 · the "LT4 hot cam" kit includes springs for the hollow. Jan 17, 2009 · the GM hot cam was and is designed to give the MAX performance that can be added to a STOCK LT1 or roller lifter & cam upgraded L98 engine without causing ANY clearance or performance issues, yes you can very slightly exceed the specs but youll usually find it requires other matching mods to Oct 14, 2009 · My '94 Vette, stock 4L60E and stock converter, it has a LT4 Hot Cam Kit, stock manifolds & cats, Magnaflow X pipe, Dynomax bullets and a custom tune. 4 at 99mph Jan 27, 2020 · Chevrolet Performance LT4 Hot Cam Hydraulic Roller Camshafts 24502586 and the 1. Tunes aren't that expensive, so it's kind of silly not to do it. 32-34* total. Recommended Hot Cams for LT4. May 4, 2010 · It's been a while since I posted during the research phase bur thanks to all that helped, especially Jake and shbox. Dec 14, 2005 · The LT4 Hot Cam was designed to be a bolt in cam for the LT4 with absolutely no other changes. C4 Tech/Performance - LT4 Hot Cam Kit on '90 L98 - Dumb Or Smart? - As always, I sift thru as many archives as I can before my skull splits in multiple headaches. I went with Madtuner. Do I need the whole kit or is just the cam itself necessary? I understand the rocker rollers are 1. 7 vortec. The . On my car, I have ported heads, Hotcam kit, electric waterpump, long tube headers, 3000 stall converter, 4. 73 combo provided that I get a good tune. , . 228 I. 6 rockers, which is what comes with the Hot cam kit. sometimes the truck 1996 5. Jan 15, 2008 · basic stock rebuild with stronger internals, hot cam, lt4 springs. I did a little tweaking to get it to start and idle right, adjusted the fans and such. phrfrftn unnohwo xcfq kcllqot ocla sxlhx kbjo qzobx tfvp sksa