what is the octane requirement for the 350 CID
It depends on the compression ratio of the engine. I would guess that the car requires a higher rated fuel. Around 91 octane.
1980s years was dog years for avg car common car 89 octane vette? maby on fill lid
I run as low as 87 in mine.a lot of thehigher octane fuels have additives including h2o.
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