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Old 03-30-2010, 11:15 PM   #3
lewylew

 
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Drives: 2010 ZL550& 2021 C8 Z51
Join Date: Feb 2010
Location: Near Philadelphia
Posts: 1,583
I ran 20 psi in my ZL550 on 20" Nitto 555r. seemed to hook up pretty good. Also A6 car said to have 550HP at crank have not had on dyno yet.
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