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1970chevy · 06-02-2009, 09:05 PM

i got my 555 with 13to1 pistons ready i am running c16 at the track just wondering if i can run 93 octane with booster on the street if i back the timing off thanks

06-02-2009, 09:05 PM	#1
1970chevy Registered User Join Date: Mar 2005 Location: usa Posts: 142	555 bbc i got my 555 with 13to1 pistons ready i am running c16 at the track just wondering if i can run 93 octane with booster on the street if i back the timing off thanks