Reply to "Compression too high?"

davidnunnMember

Chris, I'm also running C302B heads (427 ci, Fontana aluminum block) with 11.25:1 CR without any detonation issues. It will run on 91 octane but Chevron self-serve gas stations in Western Canada have 94 octane, so that's what I use.

11/10/163:19 PM

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