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Nimair.ZL1 · 04-17-2023, 03:57 PM

It made 654rwhp on a cold pull with the 9.06” lower pulley. They are now replacing the lower pulley with a 9.65”. 625 seems a little low.

04-17-2023, 03:57 PM	#3
Nimair.ZL1 Drives: 2023 Chevy Camaro ZL1 Join Date: Nov 2022 Location: Houston Posts: 108 View My Garage	It made 654rwhp on a cold pull with the 9.06” lower pulley. They are now replacing the lower pulley with a 9.65”. 625 seems a little low.