02-03-2018, 11:40 AM

hal101

Ultimate Warrior

Join Date: May 2005

Location: ,Florida

Posts: 1,404

detonated

hey just started mixing fuel for my 455 .040 over #12 heads

have been running on race gas 100 - 110 octane

now i need to run on pump gas so one ounce of additive to 6 gal of 87 ottane
= 96 octane

so i put in the first 6 gal NEVER pinged/rattled/detonated that i herd

but when i turned it off it ran on for about 3 or 4 sec

is that a sign of detonation that i cant hear or nothing to worried about?

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1980 TA 455 th400 2.56 posi [email protected]

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