Ramsport96@aol.com wrote:
>
> Mine pings on cheap 87 octane..like citgo or mom an pop gas stations.
> amoco/chevron/exxon/or shell or phillips 66 it's all good..no pingin..
> paul
Yep, I switched to Exxon's 89 and Sam's Club has 91 octane
for 1.24 gallon here.
GS -
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