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Old 01-21-2013, 07:55 AM   #19
Stephen12ZL1

 
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Drives: 2012 ZL1
Join Date: May 2012
Location: Mechanicsville VA
Posts: 1,920
Quote:
Originally Posted by mechanic1 View Post
look a lot smaller than factory..........excess wheelwell gap
I run the 305/35-18 at the track and they are definitely shorter than stock..probably 3" shorter. Next time I will get 305/45-18. With a 6spd car it probably is of no consequence, but with an auto the transmission shifts at weird rpm due to the wheel speed being different than indicated. Most times it is fine.
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#917 A6. 10.67@126.2 1.53 60' ATI/Lingenfelter balancer (10" ring), stock upper pulley, 90mm TB, ID850s,Rotofab/Lingenfelter intercooler reservoir, Cooler Logic HX, Lingenfelter idler relocation bracket, NGK TR7ix, 160 t-stat, Dewitts Radiator, Texas Speed 1 7/8" headers(no cats). M&H drag radials 325/45-17 & M&H 28x4.5" bias skinnies. Tuning by Frost at Performance Autosport in Richmond, VA (804) 358-2505

Last edited by Stephen12ZL1; 01-21-2013 at 02:16 PM.
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