LT1-LT4 Modifications 1993-97 Gen II Small Block V8

What to do and when

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Old 07-13-2017, 09:44 PM
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Originally Posted by atlantadan
Budget? You can't goose a stock engine with a 150 horse puff and keep its long-term reliability. It may do it for a bit, but eventually it'll go boom. The trans is another weak link - the 4L60 isn't exactly stout in stock form. And don't forget the stall.
I knew a guy who ran a 150 shot on a stock engine. This was back in 1998 when the LS1 cars first came out. It was a loaded Z28. He had just passed the 500 mile mark on the car when he installed the nitrous system. He blew the motor with just over 3,000 miles on the odometer.
Old 07-16-2017, 08:40 AM
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Many of us have had great success with N2O, it's all about how it is set up and I will guarantee his set up was NOT optimal for a 150 shot
Old 07-16-2017, 09:05 AM
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It blew up because its a turd LS1 instead of a sturdy Lt1. JK.
Old 07-16-2017, 09:38 AM
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Originally Posted by 350 groundpounder
It blew up because its a turd LS1 instead of a sturdy Lt1. JK.
The LT1 reminds me of the old Iron Duke engines. They don't make enough power to hurt themselves.
Old 07-16-2017, 10:14 AM
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Originally Posted by Spamfritter
The LT1 reminds me of the old Iron Duke engines. They don't make enough power to hurt themselves.
Maybe so, however....... I have definitely won more races that I should have lost by being overpowered by my competition no matter the manufacturer.
Old 07-16-2017, 11:25 AM
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Originally Posted by 96lt1m6
Maybe so, however....... I have definitely won more races that I should have lost by being overpowered by my competition no matter the manufacturer.
I'm just kidding. I don't have anything against the LT1.
Old 07-16-2017, 07:03 PM
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No my friend I did not take that personally.. I enjoy all of our platforms. It just so happens I end up getting Lt1 cars. I actually was in the market for an Ls car but I saw this Formula with 81k on it and I was hooked.
Old 07-17-2017, 06:54 AM
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On the "starting back to front" and "fix things that break" note, you have 22 year old suspension, so first step I always recommend is bilstein HD shocks to replace those garbage worn out shocks, and go through your tie rods, ball joints, and front bushings. That will make it ride 100x better and handle better than new. Then let it breathe, with long tubes, ORY and a magnaflow cat back. Flow master catbacks don't flow any better than stock, borla is expensive, and SLP is loud. Then do an LS1 lid or a cold air intake, 1.6 full roller non self aligning rockers, new valvesprings like Alex's springs or Howard's, and 7/16 studs, and a mail order tune, and you can safely spin it to 6300 rpm shifts for best time on the stock heads and cam. A stall and sticky tires should then give you that 12 second pass.
Old 07-17-2017, 10:05 AM
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Another thing people tend to forget about in their quest for speed, is the quest to stop. Don't forget that your brakes need to be able to pull-down all that newfound speed, whenever needed, as often as needed. Part of the reason I have invested what I've invested in the brakes on this car.
Old 07-17-2017, 11:59 PM
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Atlantadan is on point here!
The least expensive route is Ls1 front brakes with vented rotors and ceramic pads, braided brake lines.
Some will say doing the Ls1 rears is not really needed however, as far as I am concerned it all is a matched setup and I definitely was able to feel the difference going from 165 to 45 .
Old 07-18-2017, 08:01 AM
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Originally Posted by 96lt1m6
No my friend I did not take that personally.. I enjoy all of our platforms. It just so happens I end up getting Lt1 cars. I actually was in the market for an Ls car but I saw this Formula with 81k on it and I was hooked.
Actually, I like LT1 cars a lot. I prefer the look of the early 93-97 Camaro over the newer 98-02 models. I just happen to have found a super clean 2001 Camaro SS roller, so I went with that. On the Pontiac side, I think the lines of the LT1 cars are smoother and generally flow better. They look sleeker to me than the later cars. That said, a WS6 RAM air Trans Am is one of the meanest looking vehicles to ever hit the pavement.



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