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Old 05-20-2013, 03:53 PM   #20

Stephen12ZL1's Avatar
Drives: 2012 ZL1
Join Date: May 2012
Location: Mechanicsville VA
Posts: 2,099
if your sessions last 25 min like mine, the factory radiator may need to be swapped to a better unit to keep engine coolant temps down. My car would creep to 240+ on a 75 degree day. With my Dewitts unit, the temp was highest in the 230 range.
#917 A6. 10.67@126.2 1.53 60' ADM race CAI, ATI/Lingenfelter balancer (10" ring), 90mm TB, ID850s,Rotofab/Lingenfelter intercooler reservoir, Cooler Logic HX, 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
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