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DT1 · 02-12-2011, 12:05 AM

That's nothing! My stock 350 in my 71 is 19:1. That's why I have always had to run premium.

02-12-2011, 12:05 AM	#10
DT1 Registered User Join Date: Oct 2009 Location: Gardnerville Nv No Mo Cali!! Posts: 869	Re: 1970 350 Compression ratio That's nothing! My stock 350 in my 71 is 19:1. That's why I have always had to run premium.