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Old 03-15-2026, 06:37 PM   #47
Z OH 6


 
Drives: 2024 CT5-V Blackwing
Join Date: Sep 2020
Location: GA
Posts: 3,549
Quote:
Originally Posted by clj94104 View Post
Yes. When I was FBO stock pulleys I regularly ran E50 as well, no issues. Car would take E60 but was told that is in fact the “hairy edge” and the tuner said it was playing with fire so I never did it. I don’t track the car though, rolls only.
Makes perfect sense. What doesn't make sense is the OP's car making over 700whp on E40 with stock fueling.
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