A friend of mine has a 350x with for sale with a fresh build on the motor that I would like to buy . It is bored 20 over with a 12:1 piston . Will 93 octane be all right to run it or will I have to use a higher octane . Racing gas is no where close to where I live and I really dont want to have to drive forty miles to a station that has it every time I need gas .


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