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4" stroke 4" bore small block using indy 230cc head and indy intake with 1100 dom, .700 lift roller cam. drag race n/a

Which type of fuel, race gas, alcholol or E85? If race gas exactly which brand and octane number, IE VPC10,C11,C12, Rocket 110 and so on? You really need to settle on the fuel and octane before choosing the compression ratio

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)