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  1. F

    About to go insane about my 470!!

    Before I tare out the panels and sealant to get to my gas tank/line/check valve, Can I bypass all of this temporarily and hook up an external 5g gas tank with primer bulb directly to my fuel pump?
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    About to go insane about my 470!!

    Just looked at summitracing's website, when I put in "Carter Marine Fuel Pump" 4 results show up. I called and spoke with a tech, he couldn't dig up which one is for my engine. Do you know which of those 4 are for the 470?
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    About to go insane about my 470!!

    What should the proper compression be?
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    About to go insane about my 470!!

    Thanks for the replies. When I originally drained the gas tank, I did so by removing the main fuel line at the fuel pump, attached a coupler and a length of tubing running out of the boat into a bucket. I grabbed my compressor hose, blew into the gas fill-up with a rubber grommet and my air gun...
  5. F

    About to go insane about my 470!!

    Hi. New here. Hoping you all can help me out! I have an 82' WellCraft 20V, with the infamous 3.7L 470 (S/N#6161927). Starts great (warm or cold), idles great at 700RPM once warmed up, butt bogs down at 2100 RPM. Carb's completely rebuilt and adjusted (including choke, rods, float, jets, etc..(...
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