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Old 03-20-2013, 03:44 PM   #3
Stephen12ZL1


 
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Drives: '21 ZLE A10
Join Date: May 2012
Location: Mechanicsville, VA
Posts: 6,824
2.55 upper which requires removing the snout and having a reputable shop to remove and press on the new pulley. Many now use a 2.38 upper with no problems. I chose to leave the upper stock and swap the lower to a 9.55" ring and ATI balancer. Works great! My boost is now at 13-14 psi vs 8.6 stock.
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'21 ZLE A10 Wild Cherry PDR 2:00.78 VIR Full 10.68@131.69 1.68 60'
'17 ZL1 A10 Mosaic Black PDR/Nav 2:03.08 VIR Full 11.003@129.2 1.75 (sold)
'15 Z/28 #325 Black a/c & stereo. 2:10.1 VIR Full (sold)
'12 ZL1 A6 Black 10.52@131 1.55 60' 2:13 VIR Full (sold)
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