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Originally Posted by Bird_Of_Prey 100 Octane minimum over 125hp. I was using VP C10 Unleaded on the big shots with 22* of timing. |
Thats overkill. 150 on 93 with a stock tune works. With a good AFR tune 150 is safe to spray all day long on 93 octane with stock timing. I run 93 octane with stock timing and a tune for AFR and I have no issues spraying all the time. Some 100 octane is good safety practice though, although not needed.