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Old 01-03-2016, 08:11 PM   #3
hotlap


 
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Drives: 20 1LE 2SS M6 Rally Green
Join Date: Mar 2014
Location: Franklin WI
Posts: 6,637
Not an auto but I got thought my ZL1's break in mileage quickly but varying the speed on the highway and exiting every ~40 miles and then getting right back on shifting at 4000 rpm. Did several 450 trips
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