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

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Old Jul 9, 2006 | 11:39 AM
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Hey all. Well I decided to give my car some hell after babying it for the 4 months I've owned it. So its a 1993 6-speed. Mods are only Ram-air and muffler elims. The car has 106K on the clock. Results:

Run 1: Keep in mind I am still learning how to launch the car. So I gave ALOT of clutch. 60'- 2.9 1/4- 14.7 @100MPH

Run 2: Not as much clutch this time....but still not a good start at all. 60'- 2.5 1/4- 14.3 @101.7 MPH

Run 3: I finally said screw it. Held it at 1500 RPM and dropped the clutch. This made me spin a bit but gave me the best time. I also spun the tires 2nd AND chirped 3rd The car felt like an animal even though the time didn't show
60'-2.29 1/4- 13.9 @103.6 MPH

I know the car is much more capeable of better times. That 60' could definetly go down to a 2.0 or maybe even a 1.9. Which would be low 13's (I think). Also my trap speed is almost 104MPH....so that say's alot. I have to assume this is pretty good for a basically stock LT1 M6with 106K on the clock. What do you guys think?

If I threw some drag radials on the back how would the dana 44 hold up to a launch at 2000? That would definetly cut my 60' down but would it hurt anything?

Thanks
Jared
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Old Jul 9, 2006 | 11:40 AM
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Drag radial work quite well. My best 60' on a set of BFG's is 1.505. The dana 44 is not bulletproof, but holds up pretty well.
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Old Jul 9, 2006 | 11:49 AM
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Work on your 60' times and you'll be in the mid 13's. With street tires try launching off idle, and as you let out of the clutch accellerate.
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Old Jul 9, 2006 | 12:20 PM
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You have good mph for sure. I'd go do a search in the drag racing section about launching technique. The fastest times seem to be with some feathering of the clutch as the throttle is applied. Takes some practice to not bog/spin/burn clutch... DRs will help you, but the U joints will probably be the 1st to go if you are popping the clutch on the start. You should be able to get into the 1.9s 60 ft times with decent street tires and track prep. You have to look at what your goals are and develop a plan. If you just want to have fun, I'd stick with your current setup and practice. Once you upgrade one component, it may expose the weakness of the others and it can get $$$, especially with the manual trans.
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