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  1. 440dartsport

    Which is better - 90 octane no ethanol or 93 octane 10% ethanol

    It depends on if you need the octane and alcohol or not. I like the the 93 ethanol fuel. My 500ci motor diesels horribly when shutting it off hot with 91 non eth fuel but does not with 93 eth. I agree that the ethanol fuels do go bad faster and clog up and fuel system but that is preventable...
  3. 440dartsport

    Tunnel ram street carbs

    I ran 2 750 Double Pumpers on my 440 and it liked it. I would vote 2 650 Double Pumpers on yours.
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