C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Is It Worth It?

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Old Jun 11, 2011 | 05:18 PM
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Default Is It Worth It?

Have a chance to pick up a 91' with 90k, on it for maybe $4-5 it's a 6spd in reasonable shape. Is it worth doing heads and cam on these cars or just wait for an LT1?? This would just be a project and 1/4 mile car for the most part.
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Old Jun 11, 2011 | 11:22 PM
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Doesnt sound bad at all.

If its a 1/4 mi car throw the TPI out and put a different intake on it, you still got a sbc with a ton of aftermarket support. There is some out there for the LT1 but not as much and its pricier.
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Old Jun 12, 2011 | 07:13 AM
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Originally Posted by cuisinartvette
Doesnt sound bad at all.

If its a 1/4 mi car throw the TPI out and put a different intake on it, you still got a sbc with a ton of aftermarket support. There is some out there for the LT1 but not as much and its pricier.
OK , I would probably keep it injected any suggestion on an intake???
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Old Jun 12, 2011 | 11:09 AM
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super ram or mini ram.
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Old Jun 12, 2011 | 12:55 PM
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Don't forget the holley stealth ram. Has to be modified to fit the hood of the C4 though
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Old Jun 12, 2011 | 02:32 PM
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to be frank, a C4 Vette for 1/4 mile use as the main purpose seems a bit misdirected........if I wanted a 1/4 mile car, I would go with something with a solid axle configuration.....ie. Mustang, Camaro........independent rear cars do not lend themselves to be the best under hard launches from a dead stop, especially if you put sticky tires on them.....they can perform well in 1/4 mile shots, mine does.....but I never have run drag radials on it and I don't drag race it much on the track....these cars are better around the twisties....

but the car itself is not a bad buy if it's a six speed in decent shape.....not at all in my opinion.....
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Old Jun 13, 2011 | 02:14 PM
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Originally Posted by Pwnage1337
Don't forget the holley stealth ram. Has to be modified to fit the hood of the C4 though
Or you can cut the hood and put a hood scoop on which can keep the engine cooler with more air circulation too.
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Old Jun 15, 2011 | 12:19 PM
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Originally Posted by aklim
Or you can cut the hood and put a hood scoop on which can keep the engine cooler with more air circulation too.
Yea not looking to go that crazy, at this point if I can get it for that price I'll just keep it simple.
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Old Jun 15, 2011 | 01:49 PM
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I vote L98 for modifications. Ron is right, a modded LT1 is a world of hurt. The limit of the L98 was the short rev range, but that's easily fixed these days with a better breathing intake and some valvetrain changes.

I've learned the hard (read: expensive) way that extensively modding an LT1 is an excercise in pain. Can't keep it cool, can't keep the ignition running, blah blah blah.
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Old Jun 15, 2011 | 01:57 PM
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Originally Posted by fisher auto
Yea not looking to go that crazy, at this point if I can get it for that price I'll just keep it simple.
You are going to have to get into intake modification. The hood scoop is NOT terribly difficult. Cut a small hole for that little part that sticks up. Drill a few holes and mount the scoop. After it works, remove scoop, send it to shop for painting. JUST THE SCOOP. Reinstall.
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