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Old 03-13-2015, 08:38 AM   #19
mrvenicess

 
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Drives: 2013 CRT ZL1 auto
Join Date: May 2010
Location: Venice Fl
Posts: 1,443
My modded Z is set to shift between 6700-7000 depending on which gear its in. I have changed the cam and valve springs so it is safe at those rpms. No way you should be in 6th gear through the traps. Im still in 4th at 140 mph.
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