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

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Old Apr 30, 2008 | 09:23 PM
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Default New best time!

So I went to Orlando speedworld tonight for the street legal night. I finally managed to get my time down to a 13.174@104 in my stock 95 6spd with gutted cats and no mufflers. The previous best up in Indianapolis was a 13.3 @103. What a wonderful thing elevation does for times! Any suggestions on how to take that last little bit off for cheap though? I ran a 1.961 60ft on my cheap street tires. Any suggestion to get me to that magical 12 sec mark? All help is appreciated as always!
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Old May 1, 2008 | 12:26 AM
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That's a pretty long drive just to get your et down.

That is a good time, though. The easiest way to knock time off of that would be some drag-radials.

A couple other things that will help, but cost a bit, are 1.6 roller rockers w/ LT4 springs and a set of long-tube headers.

Where do you run in Indiana?
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Old May 1, 2008 | 01:12 AM
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Originally Posted by johnnymo63
That's a pretty long drive just to get your et down.

That is a good time, though. The easiest way to knock time off of that would be some drag-radials.

A couple other things that will help, but cost a bit, are 1.6 roller rockers w/ LT4 springs and a set of long-tube headers.

Where do you run in Indiana?


LOL i was just thinking 1.6s and long tubes when i was reading his post.
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Old May 1, 2008 | 10:47 AM
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I ran a 12.93 in my 1994 6 speed in February. Cold weather helps. I have a Centerforce clutch, BFG DR's, no mufflers, and an MSD Opti.

Get Drag Radials, and you should easily be at 12.9's, maybe even 12.8's. Don't know how you are getting 1.9 60' on street tires, but good job (I've never has less than a 2.0 60' time on DR's in my 94)

For little tiny bits of help, try taking the spare tire & carrier off the back of the car. Little less weight, might get you there. Run on 1/4 tank of gas, empty out washer fluid, make sure you don't have a bunch of crap in your storage bins. It all matters. Take the pretty black covers off the engine, allow it to cool down more in between runs.

If all that doesn't work, the LT headers certainly will.


John
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Old May 1, 2008 | 02:30 PM
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Haha yea I actually moved to orlando just over a year ago, just never updated my info on here. I used to go to IRP in Indianapolis, not sure exactly what they call it now as I heard they changed the name on it. So ive already done the spare tire and jack, emptied everything out of it also. Well looks like i'll be waitng on that economic stimulus check!
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Old May 1, 2008 | 03:10 PM
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Well if you don't have Drag Radials yet, I highly recommend snooping about on the C4 Parts for Sale board on here... I picked up a spare set of rear rims for $100 or so, not in great condition but good enough for racing.

Then get yourself some DR's, and you should be in the 12's no problem. My Drag radials got me from a 13.8 time to a 13.3 or 13.4, so hopefully you'll see similar gains. (Maybe not, if you've figured out a 1.9 60' time already on street tires). Also, the track I'm at is renowned for not having good prep and slow 60' times...
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