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    3.8 Whipple on 93 octane

    Has anyone bolted the 3.8 on an tested with 93 octane with the 3.75 pulley or smaller to see what max power is before being octane limited? I'm wondering the versatility of this setup. Obviously 11-1200 is possible with E-85 or race fuel. However with supporting the fuel system upgrades is...

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