fuel switch
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fuel switch

  1. #1
    Junior Member
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    Default fuel switch

    To run mechanical switch or electric? And if mechanical what would you run?

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  3. #2
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    Quote Originally Posted by boltz360 View Post
    To run mechanical switch or electric? And if mechanical what would you run?
    Electric....but not how you're thinking: Two electric pumps, one from each tank, with a spin-on filter upstream of each. Put a check valve on the outlet of each, then tee them together and run fuel to the carb(s). Run the pumps off of relays on the transom, with fuses of course. A SPST switch on the dash controls the relays (via ignition switch power). One pump relay is set up to be normally closed, the other normally open. This way you only need one wire from the dash back to the pump relays.

  4. #3
    Led
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    I have ran both, with a single fuel pump (mechanical and electric), a manual valve is the easiest for installation, with a manual valve and a mechanical pump, its always best to switch tanks before you run completely out of fuel, while the motor is running I would just reach back to the transom turn the valve and then carry on, if not usually enough fuel in the line to restart and get the fuel up and out of the second tank.

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  6. #4
    Jet boat service
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    When I set up mechaical fuel systems I use the polished fuel valve that has 1/2" ID and runs left , right ,both or off. They are High flow valves. You can run on both tanks until you grab some air then switch to left or right tank to get to the ramp, if you happen to let it go that far... Those brass fuel valves that come with most jet boats, or the electric are too restrictive and are not recommended for high performance. Remember, with fuel systems, bigger is always better. Jim

  7. #5
    Resident Ford Nut Sleeper CP's Avatar
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    Quote Originally Posted by Performance Jet View Post
    When I set up mechaical fuel systems I use the polished fuel valve that has 1/2" ID and runs left , right ,both or off. They are High flow valves.

    Jim
    Do have a picture or a name?


    S CP

    "Dark Sarcasm"
    Going fast is only half the fun ... what you make go
    fast is the other half.
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  8. #6
    Senior Member N2GLOCK's Avatar
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    I had one of these installed on my Rogers last year and I'm very happy with it. Polished Billet Manual Fuel Valve Assembly - CP Performance

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