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GM crate 350 HO runs fine on regular 87?

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11-22-2021, 08:47 AM	#1
ozkiwi Registered User Join Date: Nov 2012 Location: melbourne australia Posts: 196	GM crate 350 HO runs fine on regular 87? The recommended fuel for my crate engine is 91 premium which is our 95 here in Australia but it runs fine on regular 87 with no pinging. Does that motor really require premium?

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