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Old 02-21-2013, 05:43 PM   #31

Blown355's Avatar
Drives: 2012 ZL1
Join Date: Sep 2009
Location: Austin TX
Posts: 755
Originally Posted by Jason 98 TA View Post
Good questions for sure. I haven't seen anyone try a pulley swap without tuning. Maybe someone here will jump in with experience trying that. The lower pulley is easier to do than a upper & can be returned back to stock very very easily. 93 octane is always important with a boost car no doubt!

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