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Old 06-17-2013, 02:13 PM   #3
Drew P
 
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Drives: Camaro ZL1
Join Date: May 2012
Location: Houston
Posts: 232
Assuming you are bone stock, i doubt you need more than 93 octane you get from the pump. If you are not getting any knock retard, more octane wont help without a tune. If the stock setup is actually knocking from heat, then ya, torco would help.
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