Corvette lt1 horsepower upgrades forum My goals are to get decent power gains (no HP target in mind) and probably more importantly, better sound. ARH Mid length headers are on way, but have NOT arrived yet, and still need to be Nov 26, 2024 · Here is what I run, Comp 26918 springs, Trick flow guide plates, TF 5/16 . The 70 LT1 in the Corvette was rated at 370hp and the Z28 engine in the 70 Camaro was rated at 360hp. Also is it necessary with all LT1 cams to swap Sep 11, 2010 · C4 Tech/Performance - LT-1 valve spring specs - Hi Guys, I've found all the specs for the stock LT-1 springs, but I want to double check that they are single with a damper and 1. The ignition coil driver module changed every year except '94 to '95. You can't feel that when driving. 480 lift, 115 LSA. Is the Sep 1, 2024 · C4 Tech/Performance - 1000+ horsepower on LT-1 engine - I am looking at upgrading my lt1 for high horsepower probably like 1000 to the wheel and i am very insistent on using a lt1 and not an ls. However, we are needing to gain a little more HP to compete against the LT4s in our same class. Thunder Chicken, an LT1 "F" body) Dec 6, 2008 · C4 Tech/Performance - Recommendation on heads/cam upgrade for 396 LT1 - Greetings. 2. :thumbs: I'd put a lot of thought into which route to take, but ultimately decided to go with the BlowerWorks system over the standard kit from ATI - mostly due to the Jul 6, 2006 · I want to install some upgrades. You would be very close with the LT headers and hotcam. Who has upgraded the Mar 5, 2003 · Performance driving school. I want to clean it but am afraid of causing problems with the Opti-spark. 3L L83 and 6. I don't want to rip the car apart but wanted Jun 25, 2024 · C7 Tech/Performance - how to get more hp on LT1 - I just purchased a 2015 C7 stingray a month ago. Cam installs on the Camaro are pretty straight forward and easy, but I heard the install on a C7 is a pain. So 5. Nov 2, 2018 · Not sure if this has been posted before, but what are some "sure thing" simple inexpensive performance mods that one can do to their LT1 engine? Other than air intakes and a catback exhausts, what else is there to do that's inexpensive and DIY? Jun 15, 2024 · Keep adding power until the intake becomes the restriction and that's how you get the "up to" 18hp. Plugs/wires Cold air intake, MSD high energy distributor/coil, and computer tuning (I want 3 profiles, one for the best gas mileage possible, one for the most Jun 14, 2020 · C4 Tech/Performance - Golden LT1 Swap and brake upgrades - Hey guys! I?m looking into possibly doing a golen LT1 swap in the future to the 500hp motor. I have a K&N filter, open air lid, i am planning on porting and removing the rear screen from the MAF, i have shorty headers in a box (soon to be installed), I want to get the heads ported and polished and match them to the intake and headers, Sep 3, 2005 · C4 Tech/Performance - LT1 Engine Upgrades. Corvettes use high flow cats deleting them isn't going to net a much. - I called a local vett perfomance shop in the area regarding engine modifications to my '95 cp. That's pricey and the amps seems too high. I'll use retrofit Jan 10, 2019 · C7 Tech/Performance - Break in after LT1 piston/rod upgrade - Had to replace the block so I upgraded the pistons /rods bearings , used same crank and added a cam Dec 9, 2024 · C7 Tech/Performance - LT1 to LT4 injector issue! - I?ve got a 416/blower cam stingray and we?re having trouble going from LT1 to LT4 injectors. 8:1 • Custom forged steel crankshaft - 3. I try to do all the work myself but i don?t have nearly enough experience or the tools to do this myself. Is it possible to gain around 150HP with a more aggressive cam long tube headers and May 11, 2012 · C4 Tech/Performance - 1994 LT1 build - I have a auto 1994 LT1. Not looking to go crazy (or broke), but wouldn’t mind doing some basic bolt on’s. coupe) - Hi-- I'm new to all this 1993 Corvette LT1 Automatic Transmission (40th Anniversary Coupe) 210,000 miles (engine front seal is leaking too much oil and my transmission died few days ago/rebuilt two years ago 35K) I put 120,000 on Jan 2, 2016 · C4 Tech/Performance - LT1 alternator upgrade - I've decided I need to upgrade my alternator. I have a stock LT-1 cam for my 84 and I'd like to swap the cam in sometime in the next month or two. The head gasket was replaced 1 year ago. While I have rebuilt carburetors before and Im sure I could do this one. Jan 23, 2015 · C7 Z06 Discussion - Katech LT1 427 - The highest horsepower NA Gen 5 LT1 in the world. Aug 9, 2022 · C4 General Discussion - C4 Corvette Gen 2 LT1/LT4 Whipple supercharger kit - Announcement: GEN 2 LT1/LT4 Whipple supercharger kit that?s in development for C4 corvettes, F-Body?s, and B-Body?s as well as GEN 2 LT1/LT4 swapped vehicles. I'll get lt4 injectors and pump but not for a few more months. Changing the x-pipe on an otherwise stock car will net you 5-7hp on a good day. (i. May 3, 2022 · Hi, Wondering what performance upgrades most have done or recommend for a street driven C7 Z51 7M. My intended budget is $5k but I can stretch that to $8k if needed. I want to add 100-150HP to the flywheel with only bolt ons and no spray. Ive also seen LT4 conversion kits. Nov 26, 2009 · MODIFYING AN LT1 Corvette for improved performance can be a trying business. I had a 52mm throttle , corsa exhaust, and a cool air intake installed. Can't argue with 14 HP and 7 ft lbs for only $300 or so cost. Probably next best bang for the buck was installing a full poly bushing kit, lowering the car, and getting a good alignment, it feels so much better at high speeds (triple digits). Aftermarket parts are scarce, the work itself is often maddeningly difficult, and even the most intrepid Corvette Dec 21, 2024 · C7 Parts for Sale/Wanted C7 Corvette Performance Parts, OEM, Aftermarket, Superchargers, Turbo Kits, Wheels & Tires, Exterior Enhancements Sponsored by: Community Links Jun 23, 2021 · Several "performance" upgrades noted in this thread. I was thinking about a cam and injectors but Im not an expert and thought I would ask if there are Jul 14, 2021 · 2017 LT1 Performance Upgrades Jump to Latest 3. Aug 27, 2024 · C4 Tech/Performance - 1000+ horsepower on LT-1 engine - I am looking at upgrading my lt1 for high horsepower probably like 1000 to the wheel and i am very insistent on using a lt1 and not an ls. He and I are totally clueless on the fuel system upgrades everyone does. Jun 15, 2010 · Most of a stock LT1 is just fine until you change heads or cam, even the stock LT1 exhaust flows just fine. I want to make the engine run cooler, and if possible, see a HP gain. I have a 2014 Z51 that I installed an LT4 blower with stock LT1 fuel system. What I May 30, 2010 · C4 Tech/Performance - 96 lt1 air intake upgrade? - i have a stock car and i am planning to get a new exhaust system and headers, maybe cams as well. I then had it tuned at AMP and it ran awesome. Jul 19, 2011 · C4 Tech/Performance - '93 LT1 performance upgrade helpwhat do I? - My 6-spd has 115,000 miles on is basically stock except for a SLP cold air kit, shorty headers and a Corsa exhaust. hope to have it on the road next spring. Just got a 1986 C4 that just fell into my lap for almost nothing. Have not changed to the HPFP just added the new injectors to the build. These LT1's get no respect but an LS swap is not in the budget. First we thought just a bad injector and replaced Mar 23, 2002 · C4 Tech/Performance - LT1 upgrades? - What kind of mods can I do to my LT1 after installation to get more power besides the usual porting and polishing of heads and heavily camming it. 703hp/625lb-ft - (I put this in the Z06 section also in case Z06 road racers may be interested in a naturally aspirated engine) I'm pretty sure I can make that claim. So I Mar 31, 2009 · C4 Tech/Performance - LT-1 bolt-on dyno results - Ran accross an old article that was talked about here on this forum around a decade ago. My last car being a '67 Camaro - things have changed. Mar 31, 2019 · C7 Tech/Performance - C7 Z51 VS. I have a budget Nov 7, 2011 · Well, that is kind of what i am getting at. LS2 = 400 HP, LS3 = 430 HP Jun 28, 2017 · Then in 70, the (essentially) same manifold was used on BOTH Camaro Z28 and Corvette LT1 engines. What I am really looking for is any upgrades I should make to the LT1 before I put it into the car. 5K views 4 replies 3 participants last post by lamonicar Jul 16, 2021 May 28, 2007 · C4 Tech/Performance - LT1 Performance upgrades advice - Hi all, I'm new to the forum and was hoping for some advice. Thanks for any help/advice you Nov 6, 2017 · heads, cams, headers, etc. 25 from the factory. I’m looking to keep most of the car stock. I'm considering spraying some Gunk on parts of the engine and rinsing it off with water or a power sprayer. Ready to swap the intake, cam, heads and some headers. Apr 19, 2011 · C4 Tech/Performance - L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine C4 Tech/Performance - CorvetteForum - Chevrolet Corvette Forum Discussion LOG IN Sep 14, 2002 · C3 Tech/Performance - LT1 1969? - I read the entire Car Life article Wildest corvette ever from July 1969 and they spend a couple of paragraphs on the dealer installed LT1 option. 6) Rear end gear ratio change Cold air intake upgrade After speaking with a tech at the shop on the C4 Tech/Performance - 95 LT1 upgrades - i have a 95 vette LT1 all stock. C8 Z06 Discussion; C8 ZR1 and Zora Discussion; C8 ERay/Hybrid/EV Discussion; C8 General Discussion; C8 Tech/Performance; C8 Forced Induction/Nitrous; C8 Corvettes for Sale; C8 Parts for Sale/Wanted; C8 Dealer Inventory; C8 Vendor Dec 27, 2024 · C7 Parts for Sale/Wanted C7 Corvette Performance Parts, OEM, Aftermarket, Superchargers, Turbo Kits, Wheels & Tires, Exterior Enhancements Sponsored by: Community Links Jun 8, 2002 · Remember, this is REAR WHEEL HP! 1992 - 1996 Corvette LT1 & LT4 383 CID engine package 440 BHP / 430 lbs-ft of torque - LT1 450 BHP / 430 lbs-ft of torque - LT4 Package includes: • Engine removal, inspection and disassembly • Custom forged aluminum pistons - 10. May 20, 2008 · C4 Tech/Performance - LT1, want more horsepower, suggestions? - Hey all. 2 push rods, ARP 7/16 studs and Scorpion Race 1. i want all forged parts. We have already changed out to high-flow exhaust, K&N Sep 25, 2015 · I checked the specs on the infinity and apparently they get around 325 HP on Crank , -20% on the wheel factor approx 260 HP on the wheels. 080 chromoly 7. BOTH of the 350 engines in the 70-72 Z28 and LT1 were (for all practical purposes) identical. I'm wanting to build a 383 stroker that will put out 400 to 425 rwhp. If there is a higher one somebody else has done on the engine Sep 6, 2019 · C6 Corvette General Discussion - LT1, LT2 and LT3 - What is the difference between the LT1, LT2, and the LT3 Corvette engines? LS9. With the following upgrades will I need larger injectors? Vortex Rammer Air intake, SLP Headers, Borla Catback, Granetelli Mass Air Flow Dec 16, 2024 · C4 General Discussion - 1996 corvette lt1 code p1371 - I have a 1996 corvette LT1 just got it back from a body shop they told me it was a fuel pump so I trusted them and replaced fuel pump and it wasn?t the issue. Oct 24, 2023 · C4 Tech/Performance - Upgrades - I own a '95 LT1. What are the best upgrades for an LT1, I am looking to make about 400hp. Jan 5, 2025 · C4 Tech/Performance - ?93 LT1 air intake duct replacement - Just picked up a ?93 and noticed a crack along the end of the air intake duct where it couples with the throttle body. I have headers and exhaust and MSD optispark, relatively stock. I was inquiring about the following: Cat-Back Borla exhaust Roller rockers (1. He wants to upgrade it before the sc is installed. I want to start small and work my way up. , ignore them. Assuming this was pretty well modded before you added the cam. Why the 10hp difference???? Mar 13, 2011 · C4 Tech/Performance - Recommended Mods for a 96' LT1 - I want to retain the reliability of my daily driver but need more Tq/HP 1) What can the stock (auto) trans and rear handle in the way of HP 2) What's the consensus on the weakest link(s) 3) What's the most reliable way to get to a higher HP without sacrificing Jan 17, 2018 · C7 Z06 Discussion - Guide to fueling for higher horsepower LT4's - It is critical for the direct injection LT1 and LT4 engines to maintain proper fuel supply and there is always a lot of misinformation out there about what fuel options there are and what is actually safe. This is how it works with the other parts as well. not worried about price cause i want the Sep 14, 2002 · C4 Tech/Performance - What UPGRADES for 94 LT1 to reach 400 RWHP? - I have a totally stock 1994 LT1 with ZF 6 speed, 49295 miles on car. 07. If you upgrade the throttle body is there anything else that needs to be done in addition to that for HP gains Sep 26, 2014 · C4 Tech/Performance - Performance tips for '92 LT1 - So I want to do a few inexpensive performance upgrades to my '92 LT1. I was NOT even considering 1972 cars until i foind something interesting online. Recently had it dyo'd and I got 278 rwhp/305 rwt. Anyway, I would like to get an extra 50-100hp or so. Beyond that, the L98 is a Gen I SBC, which is still the most popular "hot rod" engine with the biggest assortment of aftermarket go-fast parts available. On my LT1 with a ported Hot LT4 top end conversion it made just over 360 rear wheel horsepower with shorty headers and the rest of the complete stock exhaust pipes and cats in place (~ 430 crankshaft horsepower). If anyone is telling you to turbocharge a LT1 motor to get 400 hp. My car currently has a Jun 19, 2011 · C4 Tech/Performance - what lt1 mods to start with? Chevrolet Corvette Forum Discussion; C4 Corvettes, 1984 - 1996 LT1's seem to like cams. Please advise on parts, specs and how much HP increase I can Jul 4, 2003 · C4 Tech/Performance - Upgrading the LT1 ignition - My research tells me that the LT1 ignition system has changed over the years. It has a lightweight clutch and the rev match is unbelievable. this is not a drag car, its a street car and i want as much power as possable. Bought a new AC Delco water pump but it does not seem to be made as well as original Apr 27, 2018 · C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine Sep 23, 2003 · C4 Tech/Performance - Bolt On C4 LT1 Modifications Recommendations - I am interested in purchasing some basic bolt on C4 modifications to improve my LT1's breathing and performance. Jun 15, 2003 · C4 Tech/Performance - Upgrades for 94 LT1 Corvette, what to expect? - I'm new to the forum and in the process of upgrading a 1994 LT1 6 speed Corvette with 54,000 miles on it. Been reading alot about sheered teeth on Apr 1, 2007 · C4 Tech/Performance - LT-1 Horsepower and Top End - I have a 95 with an LT-1, auto, with stock gearing. Intros; In Memoriam. If you had $500 to spend on upgrades and were in my situation what would you buy? Take into consideration that the Dec 14, 2016 · C7 Forced Induction/Nitrous - LT1 stock fuel system boost/hp limits? - About to install a stock lt4 blower and just wondering what are the limits on stock c7 vs c7z. If anyone has any input as to the best streetable cam please share. Car has been tuned. Jun 21, 2006 · If you are looking for 400 hp at the flywheel like the 300hp factory rating is now. They obviously dont know anything about LT1 corvettes. Aug 22, 2009 · I have a few performance mods on my 95 and IMO the best was ditching the factory 2. 56 exhaust -Ported LT-1 intake -54MM TB Any thoughts? Feb 10, 2007 · C4 Tech/Performance - LT1 upgrades - Evening all. 6's have always been good for 10-12rwhp on previous vehicles I've owned (one of them, an LT1 like in my C4) so I decided Jul 5, 2012 · The Extreme Duty timing chain is an impressive, albeit expensive, piece (it looks like something out of a sawmill), but the stock LT4 timing chain is also a roller chain , and is an upgrade over all earlier LT1 style link and pin chains. A few weeks ago added Borla catless x-pipe, and a Mishimoto 160 Tstat . Topic has been well covered. What I am missing is how much Jul 18, 2019 · High horsepower GM Gen V V8 and V6 direct injection engines including LT5, LT4, LT1, L86, L83 and LV3 E85 conversions of GM Gen V V8 and V6 engines 2014+ C7 Corvette LT1 2015+ C7 Z06 Corvette LT4 2019 C7 ZR1 Corvette LT5 2016+ Camaro SS LT1 2017+ Camaro ZL1 LT4 2016+ CTS-V LT4 2014+ Silverado and Sierra with 4. Jan 7, 2014 · C4 Tech/Performance - Best Exhaust System for LT-1 - Hello --- I am about to take delivery of a 1992 Corvette with a 350 LT-1 motor with automatic transmission. Pistons, Rods valve train will be upgraded as well. Those of us with bolt-on Superchargers pick up about additional 125hp are running 540-555 rwhp and 535-550rwtq and about 620-640 at the crank. It will eventually be mildly boosted with a d1-sc. I think I have a bad cylinder on my current engine Sep 15, 2023 · C4 Tech/Performance - 2023 Performance Upgrades for 1993 LT1? - Hello forum, I'm local to the Greater Toronto Area and I haven't found anyone in Ontario that has any resources to get my car moving. I plan to use it mainly as a daily driver, but want to give it enough spunk to enjoy an occasional visit to the local drag strip. 500 lift) and cnc intake, cam is comp cam xe 230/236 with 555' lift with a 1. The torque is almost flat and peak HP is 460. On top of Apr 4, 2020 · C7 Tech/Performance - Starting my LT1 for the first time with an LT4 fuel pump upgrade - Ok guys I need some help. C7 Tech/Performance - LT4 / LT1 complete engine swap - Anyone remove their LT1 and install a complete LT4? I'm not talking about bolting on the blower, I'm talking the full engine. Headers and flex fuel sensor and tune which seems like a nice power upgrade for minimal cost. A skilled driver in a lesser car will beat a so-so driver in a "performance car" any day, any track. I also Jan 23, 2024 · C4 Tech/Performance - 1992 lt1 build questions/suggestions - Hello everyone, I'm deciding on building my motor since I've recently hit 100k miles. 1. Apr 26, 2016 · C7 Tech/Performance - C7/LT1 Cam install - I'm soon to be the new owner of my first Corvette! I currently have a 2010 Camaro SS and going to be selling soon. I want to way bulk up my engine to like 1500hp (to the crank) just so i have a way over built engine that will withstand C7 Tech/Performance - LT4 / Z06 Fuel Pump Installation / Upgrade for LT1 - Well, this is a bit overdue, but we had to make sure enough of these weren't having issues with install or function before I felt comfortable with posting the DIY info. Jul 18, 2019 · C4 Tech/Performance - LT1 Engine Upgrade - Looking for someone ĺdoesn't have to be a shop) who can work on my 95 Corvette in the San Antonio area. Found Ikerd's has what I need and seems trusted. There is 87000k on the car but only 25000k on a brand new dealer installed motor and trans. If so, can you share some of the challenges regarding wiring and the cooling system. I have a 1994 LT1 auto with 3. You are being shown the steps I Nov 6, 2024 · C3 Tech/Performance - 72 LT1 carb rebuild - Having carburetor problems on my new to me 72 LT1. I go on cruises with 30 cars; 90% of them C7 and C8 and I get obliterated on the highway on ramps hahaha Are there no Aug 17, 2010 · C4 Tech/Performance - New valve covers and rocker arm upgrade on LT1 - PART 1: I recently decided to upgrade the stamped steel rockers on my LT1 with some aluminum 1. Right now it is completely stock. If you had $500 to spend on upgrades and were in my situation what would you buy? Take into consideration that the Jan 22, 2002 · C4 Tech/Performance - 1996 LT4 Airfoil and Throttle Body Bypass upgrades? - Can anyone tell me the Pros and Cons of adding the Throttle Body Bypass and Airfoil upgrades? I have seen the kits on ebay for 5-10 bucks. 7 rockers on a 1993 lt1 all original stock motor put 309 hp/336tq to the wheels. 9K miles, and started Mods just after the new year. I'm putting a hot cam in and high volume pump and wanna reliable gear in there. 050" lift would be 231/239 with max lift at 110/122 with the 116 LSA. The botom half of the engine is in good shape. Feb 14, 2012 · C4 Tech/Performance - 92 lt1 msd optispark upgrade - Hi my optispark is acting up was wondering if its worth it getting the msd opti ?? Has anyone upgrated theirs and if did you get performance with new opti?? Was thinking of just getting an msd ignition kit and upgrade everything it runs for about $960 on jeggs Mar 6, 2009 · I like the fact that the LT-1 HP is still climbing at 6000RPM where the LS-5 is laying down at 5100RPM. the crack Nov 23, 2024 · C4 Tech/Performance - How can I make around 450HP in my 1996 lt1 without breaking the bank - I have a 1996 collector edition with a lt1. I just upgraded to the LT4 HPFP and LT4 injectors with a smaller pulley. The 94 and later LT1 PCM requires reprogramming vs chips. If the duct was smooth I would just seal it up, but it has ribs that make it hard to seal up with self-sealing tape and RTV, etc. The latter of which remained in production until the 2024 model year, making the third LT1 the longest-running and most powerful of any variant. Oct 12, 2011 · I'm trying to get 550 HP either at the crank or the Rear Wheels either way i'm happy. 9L Aug 18, 2017 · C4 Tech/Performance - Modding for 1995 LT1 Corvette - Hello fellow Vette enthusiasts, I am an owner of a 1995 LT1 Corvette completely stock and am looking forward to doing some work under the hood. but what you should consider is the age and mileage of the car and adding go fast parts or programming that allows for higher RPM and harder shifts can quickly translate into a tow truck 3;42 gears, 1:6 RR (poor mans cam), 160 stat so a PCM tune can deliver more HP can wake up a stock B body. Pure stock. Couldn't resist tempting you to "think outside of the box" Jan 21, 2016 · C4 Tech/Performance - Upgrade advice on Rebuild 93 LT1 Automatic (40th anniv. I want to way bulk up my engine to like 1500hp (to the crank) just so i have a way over built engine that will withstand Feb 24, 2008 · C4 Tech/Performance - best upgrades for an LT1 - I have a LT1 out of a 94 camaro. Apr 30, 2024 · C4 Tech/Performance - LT1 Water Pump Rebuild Parts - Does anyone have the part numbers for the bearings and seal for a LT1 water pump? Mine has lasted 33 years without issue but the grease seal on the outboard bearing has come loose. Durabilty and dependabilty very important. Chevrolet used the LT1 in two applications: the Corvette and the Camaro. Not what I would have chased for but here it is. whats the best one? - I am considering a chip change. Injector #1 has died twice now. Now put a skilled driver in a "performance car" like your Corvette, and, well - pity the competition. My 1987 is stock. 5) if you can stand the noise you can also spring for performance mufflers and obtain a 30-50 HP increase plus a torque increase you can feel. LT1; C4 Tech/Performance L98 Corvette and LT1 Corvette Oct 2, 2009 · C4 Tech/Performance - Torque converter upgrade? - Hey guys, Found a ton of information on gearing changes on this forum. 00 intake 1. Can anyone recommend someone in the South Florida area that has the skills, knowledge and tools it would take to enhance a 94 LT1. I looked at SUMMIT and the cheapest is a 200 amp for $270. 050"-lift, and . Apr 13, 2005 · Cool car! I also have an LT1 9C1 '96 Caprice with the G80 posi rear. 3. His motor is stock except LT headers no Dec 4, 2024 · The hydraulic specs would at . That 116 LSA is important when using rams horn manifolds. What camshaft is recommended for a near stock car and what parts will need upgrades along with the camshaft? Apr 21, 2010 · to limit performance on the L98. 5 inch diameter hole on the back on the lower intake and Im wondering what that is for and if I need that sealed, before proceeding. It is a super original car with the original Holley 4150. 485 lift, with 114* LSA Sep 27, 2007 · C4 Tech/Performance - 1996 LT1 Engine Mods - I am considering extending the mods already successfully installed on my LT1 CE Coupe, I now have JBA shorty headers, corsa exhaust, comp cam pro magnum 1. 07's in the rear, I want to tweek it up for some 1/4 mile action, I don't want to start ripping the engine apart as I've still got to watch fuel consumption (petrol in Jul 24, 2006 · Ok, I have just purchased a 1994 Corvette w/ the LT1 and top be honest when I open the hood I am looking at a motor and engine bay I am totally unfamiliar. Jun 2, 2007 · C8 Parts for Sale/Wanted; Chevrolet Corvette Forum Discussion; C4 Corvettes, 1984 - 1996 93 LT1 tuning; C4 Tech/Performance L98 Corvette and LT1 Corvette Jul 11, 2002 · C4 Tech/Performance - Super Ram Intake Install on LT1 - Anyone on this forum have an Super Ram Intake installed on a LT1. 3L LV3, 5. e. I've got a few things extra on this car so I'm looking into going with more power. Dec 28, 2005 · C4 Tech/Performance - 1995 LT1 upgrades - Just bought my wife a clean 1995 coupe with auto trans. Apr 26, 2017 · C7 Tech/Performance - LT1 engine build, help me make a monster - Here's the rub, the Fiancee becomes my wife in August. Jun 14, 2019 · There isn't a whole lot thrifty performance mods. The HP ratings for standard engine was 300 HP, the L46 was 350 and LT1 was 370 HP. What are my Dec 9, 2005 · C4 Tech/Performance - '93 LT1 Upgrades - We autocross our '93 in various SCCA and road racing events and need to keep within certain boundaries or we jump classes. A mild upgrade in Sep 17, 2021 · C7 Tech/Performance - Anyone upgrade fuel pumps from LT1 to LT4? Parts list? - In the middle of a big build and went with LT4 injectors, lines, LT4 HPFP, and a JMS boostapump. May 4, 2013 · C4 Tech/Performance - Horsepower Expectations: LT-1 Build - Doing a 95 LT-1 build for a friend -1. Cam specs, Heads, intake, Valve sizes, carb ( Holley or Rochester), Main journal bolts, LT1 had solid lifters, allowing higher RPMs before valve float. Feb 25, 2002 · C8 Parts for Sale/Wanted Chevrolet Corvette Forum Discussion; C4 Corvettes, 1984 - 1996 C4 Tech/Performance; LT1 +50 HP; C4 Tech/Performance L98 Corvette and Oct 26, 2016 · C4 Tech/Performance - Lt1 oil pump drive gear upgrade - Having a hard timing finding and upgraded oil pump drive gear for my 93 lt1. 750" stroke Oct 18, 2015 · C7 Tech/Performance - LT1 Torque and Horsepower Graph - The graph below is exported log data from HP Tuners into Excel and graphed. I want to do this with an LT1 with the following: Cat back exhaust, Llyod Elliot head and Cam, a 58mm TB. We own a 2014 Stingray A6, non z51. A4 cars will get more noticeable performance with a gear change than engine work. $$$ How much do you have to spend? Oct 20, 2009 · A forum community dedicated to all LS1 and LT1 powered vehicles owners and enthusiasts. In either case, you’re looking at a minimum of 455 horsepower, up to 460 with the performance exhaust option. it wont be a 1000 hp car, more like 600-700 range Feb 2, 2014 · C4 Tech/Performance - Need Suggestions on Performance Upgrades for LT-1 - I'm looking for advice and suggestions on what performance upgrades to make on my 1992 LT-1 Vette. 450/. 59s and installing a D44 with 3. Do you have dyno results from a stock LT1 with and without this cam? If I wanted to do just a mild cam, long tubes, CAI, and ported TB, what would expect to pick up for HP and TQ? Thanks, Doug Apr 5, 2007 · There are 2 camshafts in the GM Performance Parts Catalog shown that are from the Z28 #12364052 is factory/blue-printed replacement for 290HP/302CI: 254* @ . It's rated at 330 hp. What upgrades should I put on the car to achieve 400 Rear Wheel Horsepower? Please keep in mind that emissions are to be obeyed in Virginia. Open air filter and tbi foil maybe 8 hp. Without a bottle. New Member. The advertised increases are 15-20 HP and 20 ft/pounds of torque. (D36). 6 roller rocker arms, chromemoly pushrods and stronger valve springs which has improved the sound and performance Feb 15, 2024 · Forums. So what is the best air intake system to get?. ( car was stolen and recovered, last owner got the Ins co to replace it and it has a clear title so I Jul 24, 2023 · C4 Tech/Performance - Camshaft for basically stock 94 LT1 - Hello all, I have a 1994 lt1 and I’m looking to put in a performance cam for that nice chop and horsepower. Chevrolet Corvette Forum Discussion; C4 Corvettes, 1984 - 1996 Jun 13, 2005 · C8 Parts for Sale/Wanted; Chevrolet Corvette Forum Discussion; C4 Corvettes, 1984 - 1996 Good cam for stock LT1; C4 Tech/Performance L98 Corvette and LT1 Oct 11, 2003 · C4 Tech/Performance - 1994 LT1 mod suggestions - ok, got a 1994 LT1 vette. I'm 18 and I've never bought a car before so this will be my first. Nov 12, 2012 · C4 Tech/Performance - Supercharging an LT1 Corvette - After placing my order back in July, my Supercharger system finally arrived this past week. My budget is $2500. Chevrolet Corvette Forum Discussion; C4 Corvettes, 1984 - 1996 Nov 20, 2014 · C4 Tech/Performance - C4 best performance upgrades - Hello, this is my first post on this forum and I've recently decided to buy a C4 corvette. Here?s the headlines for the kit we?re making: It uses a Whipple Gen 4 175AX 2. You should remeber the early SAE testing was done with a 30/30 cam and not the LT-1 solid cam, many think the LT-1 gives away 10-15HP from the SAE test. 2L L86 engines Aug 5, 2007 · The primary difference between the LT1 in the Impala and the LT1 that was in the Corvette and Camaro was that the Impala engine was fitted with cast-iron cylinder heads instead of aluminum ones, and a camshaft that was designed more for low-end torque than high-end horsepower. I want to swap my 94 lt1 auto with stock diff gearing. I'm currently building up a 396 for my '92 Vette and my overall goals/requirements for the build are listed below. First let me know if this is possible with stock TPI. There are so many options such as these. Is there such a thing? Or just go with a new stock one. 050 lift, stock 350 cubes (fresh rebuild) with long-tube Jul 2, 2019 · C7 Tech/Performance - LT1 performance upgrades - So I’m finally getting the “itch” to mod my 2015 Z51. for the street, i'd rather build torque than horsepower, and personally, if it's purely just red light to red light acceleration, I'd look into rear Mar 6, 2023 · I have been told that the LT1 internals are not that great and longevity of this engine with a supercharger is not real good once you get to the 650-700 HP range. Build list: Katech 700hp 427 Oct 23, 2005 · C4 Tech/Performance - Whats the best way to get more horsepower for my 92 - I just bought a 92 with an LT1 and a 4 spd auto. What else can i do to increase preformace with out breaking down the engine and what will be the gain? Sep 22, 2010 · C4 Tech/Performance - What is the BEST LT1 Head/Intake Upgrade? - Have a 94 LT1 Vert 6spd 373 gears and cnc lt1 oem castings (supposedly flow 260 intake and 210 exhaust . C7 Z06 LT4 for 800hp-1000hp Goal - Hello everyone! I have a feeling this might be very interesting thread So I currently own a 2015 C7 Z51 3LT A8 and so far I did some mods to it and it is a blast to drive, however as many of us want, I am looking for more power and I am considering Sep 7, 2001 · C4 Tech/Performance - Chip changes on 1993 LT1 speed. C4 Tech/Performance - [LT1] Top end performance upgrades- $500 - I need to have my engine torn apart to replace the head gaskets. . I'm interested in intake, heads, cam, headers, and exhaust with the required tweaks in between. Aug 9, 2020 · C4 Tech/Performance - 1993 LT-1 More HP Please. Jun 20, 2014 · C4 Tech/Performance - 1992 Auto LT1 Suggested Upgrades - Hello everyone, I am new to the mod/upgrade scene and am looking for some guidance. - Looking for good info on HP gains. I'd really appreciate if those who've built up 383/396's would chime in here and let me know what you'd suggest as far as Dec 11, 2024 · C4 Tech/Performance - 1986 C4 Performance Upgrades - Good evening to all: First time on the forum. However I would like to send this carb to someone that really knows these carbs and really Jan 15, 2015 · Jason, on your level 1 dyno sheet, the base line is well over 500 HP. (2. I have a 92 Lt1 with 105k miles and a six speed. Edelbrock Eforce or Magnuson 2650 and nothing else for even more power but also more money. The '96 LT1/LT4 had a completely different coil and driver module Sep 23, 2024 · Im building a 2nd 383 lt1 engine for a 2nd 1993 6spd corvette i have i want to start by getting together the parts to build this engine. Is that hp rating to the rear wheels? 2. If you have the heads reworked you will be over the 400 hp mark. Also, I think there will be a Grand Sport Corvette that will probably get my guess 525-550 and have the Z06 improvements carbon fiber but have little less amenities than base and be about 100-150 pounds lighter. Looking for performance upgrades and, no, not on a budget. Our C4's get 245 HP stock -20% rear wheel 196 HP. 6 roller at . Looking to get 400+ hp. Jan 19, 2006 · C8 Parts for Sale/Wanted; Chevrolet Corvette Forum Discussion; C4 Corvettes, 1984 - 1996 L98 vs. I will be asking ?s about the LT1 and the improvements for it- preformance wise. Sep 25, 2023 · According to the book How to Build Max-Performance LT1 Engines, by Cottrell and McClellan, the LT1 cam (ID 705) is: 203/208 duration, . What would be an average top end speed (mph) for it? I did a search and couldn't find the answers. I didnt think I would need to worry about the low side or the fuel pumps but it sounds like I am selling myself short. I've also been running a flat tappet LT1 cam for 7 years without any issues but have been thinking of a roller after installing a Howards roller cam in my kids 383 sbc in his '76 Corvette. There is a 2-2. 460 lift, 114 LSA. I removed the AIR pump and tubing and bought Corvette fuel rail covers. The ignition coil was the same from '92 through '95. Whats the best way to go about this besides a S/C, turbo, or engine swap? I'd like to keep it simple. This is not an official/unofficial How-To. right now the car is a dark red metallic, bone stock, 94k mile, 1989 factory Jun 11, 2015 · C7 Tech/Performance - LT4 / Z06 Fuel Pump Installation / Upgrade for LT1 - Well, this is a bit overdue, but we had to make sure enough of these weren't having issues with install or function before I felt comfortable with posting the DIY info. I've considered a K&N Filter with open cover, throttle body flow booster, MAF sensor, performance fuel pressure kit, smooth couplers and Sep 6, 2011 · C4 Tech/Performance - LT1/LT4 upgrades - I originally listed a thread advertising a crossfire to LT1 conversion. Nov 5, 2023 · C4 Tech/Performance - gen v LT1 swap 1989 c4 - been planning this for awhile. 6 roller rockers instead. Probably looked in all the wrong Jun 16, 2009 · C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine Apr 12, 2005 · C4 Tech/Performance - Best streetable cam for 96 LT1? - My friend just got done installing a new cam into his 04 GTO, I knew cams made a difference but it is incredible. If you are looking for big power then an L98 has some advantages since it is a traditional SBC and has much more aftermarket support. 59 on a D36). 476/. Come join the discussion about performance, specs, builds, conversions, swaps, modifications, troubleshooting, maintenance, and more! Jul 27, 2020 · Generally when you start getting over 600hp on LT1, you get into meth/alky, headers, piston change etc and more stress on the engine. I originally looked at a 2014 Mustang GT but there were issues with the car and that fell through. Any suggestions or warnings? May 24, 2016 · For a long time the intake of choice was the Miniram, which was basically an LT1 intake. I have had the car for a little over a year and love it but am now searching for more power. Apr 8, 2018 · C7 Tech/Performance - Let's see just what bolt-on mods will do for a C7 LT1!! - I have a 2017 Grand Sport. Many actually take an LT1 intake and modify it to fit their Gen I SBC. To a 3. OK, sorry - I know that's not what you wanted to hear. I have brought her to some recent car shows and she agrees we need to do some work. On the dyno, She is putting 615 HP to the rear wheels and that has me somewhat concerned about the longevity of my engine. Let's go Corvette Gods, what do I need? Jul 4, 2009 · Swapped 48mm to 52mm picked up another 7 fl lbs and 14 HP So in that sequence, there was a definite power improvement. 627rwhp and an intoxicating naturally aspirated sound through Corsa mufflers. i'm not big on posting, but i will do my best to take pictures and update this thread. The LT4 cam (ID 242, not the Hot Cam) is: 203/210 duration, . Feb 9, 2024 · The LT1 has the better intake design from the factory and will be easier to make good power from if your goal is 400 to 500 engine HP. Just broke 100k and now looking to get a significant amount of hp out of the current engine. Nov 26, 2014 · I heard that the 2016 corvette will have 480HP in base model and the Camaro will probably have 470-475hp. 7L V8 apparently means nothing to me at this point. I am now looking to do one aswell. When it needs repairs, (CCM followed by Optispark 4 months later) I take it to a local Corvette shop which has a stellar reputation in the area. I figured while its apart I should throw in some performance parts. I know other than different pistons and/or heads, there's not much you can do, but are there aftermarket intakes available for the Jun 29, 2017 · C7 Tech/Performance - 700hp NA Katech 427 LT1 Grand Sport track car - We recently finished up this 427 LT1 Grand Sport and the results were amazing. I finally got my first Corvette, its a 95 red on black :D. I havn't done many performance upgrades to the car other than removing "home plate" and "first base" and put the Home Depot intake with a K&N filter. 4) buy a $180-200 Streetrunner Hypertech chip and replace your stock ECM PROM with it. My top choice is a 1969 or 1970 and have driven a 71 LT-1 and it was acceptable, but although rated at 270HP, the 72 454 still has 455 lbs torque, so i'm wondering how it really FEELS to drive. It is a '95 with the 6 speed. I've seen dyno results where over $1,000 was spent on a full exhaust upgrade that only showed that amount of power increase. 45s. Oct 18, 2021 · C4 Tech/Performance - LT1 Performance Upgrades - What are some of the popular and reliable performance upgrades I can do to my 96 that does not involve the lower-end Apr 19, 2015 · C4 Tech/Performance - '92 LT1 Performance Upgrade Impossible? - I have a 6 sp 1992 Corvette with a stock 350-300 engine. I would like to build a forged motor and run the UPP twin turbo setup. Thanks Max :flag Oct 12, 2006 · C4 Tech/Performance - Help on fuel LT1 system upgrades - Buddy has a 94 corvette and is planning on doing a vortech or procharger style supercharger. Reliable daily driver, I don't want it stalling at the stop light. I have a wonderful 1992 automatic LT1 that I am looking to make a bit more fearsome. One of the first improvements I plan to make is to replace the stock exhaust system from the manifolds on back to a nice performance system including exhaust Jun 9, 2010 · C4 Tech/Performance - Engine cleaning an LT1 - I just bought this '92. I'm looking to get to about 400 flywheel horsepower while still maintaining the car's street composure and overall characteristics as a weekend cruiser not a drag car with a super short gear ratio, slicks, that is trying to outrun Dodge Hellcat's. based upon glossing over some threads here on this forum over the last few months, I think a lot of you might benefit from this data, so I am re-posting. The engine is a bit dirty. In loving memory of lost CorvetteForum Brothers and Sisters; C8 Corvette. The way to add hp on a C7 is easy. I'm new to the car world and I want to know how to go about increasing hp. Aug 7, 2005 · C4 Tech/Performance - [LT1] Top end performance upgrades- $500 - I need to have my engine torn apart to replace the head gaskets. Jan 30, 2014 · First, the standard 350, is not the L46, so not sure exactly what you are asking. finally able to get started on it. 6RR -Long tube OBX headers -3 Magnaflow exhaust -Fully Ported heads: 2. all build horsepower, so unless you're tracking the car, more so at a drag strip, building excessive horsepower for a street driven corvette, IMO, is not the way to go. bgo efria vfhfze ocmqwj suehrt uebzqy xpkfns mpi yewjbz ftau