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Old 07-12-2012, 09:47 PM   #12
16floz470ml's Avatar
Drives: 2012 ZL1 GLJ MG9 WBP RTQ
Join Date: Nov 2011
Location: Texas
Posts: 77
Why does the owners manual say set the pressure to 44 for high speed use and the ZL1 owners video says different. It says set the pressure to 28 front and rear when cold. Then hot pressure for the front is 38 and for the rear is 37 for high speed use?
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