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USP45 · 11-21-2016, 05:45 PM

Torco.... Z06 guys running 91 swear by it. Less knock count and less timing being pulled on dyno.

11-21-2016, 05:45 PM	#5
USP45 Drives: 2017 ZL1 A10 Join Date: Aug 2016 Location: McKinney TX Posts: 334	Torco.... Z06 guys running 91 swear by it. Less knock count and less timing being pulled on dyno.