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Any adjustment on old dial fuel gauge?

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  • Any adjustment on old dial fuel gauge?

    With new fuel sending unit float all the way down it still shows 1/4 tank on fuel guage. When I raise float up it goes past full when only up about half way. Is there a way to adjust guage?

  • #2
    Re: Any adjustment on old dial fuel gauge?

    No. You adjust the float arm and/or float position on the arm. You need to actually install the unit to see where you are at. Adjust for an accurate "empty" reading because you know when the tank is full as you filled it. Because of how fuel tanks are built and how senders are made you cannot get really accurate readings across the entire band. And remember, a fuel gauge is a fuel "level" gauge not a fuel "quantity" gauge. If you look at a cone shaped cup, there is much more stuff in the top half than the bottom so shape of the tank has the same characteristics.

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    • #3
      http://www.summitracing.com/expertad...hQuestion=3679

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      • #4
        Re: Any adjustment on old dial fuel gauge?

        No need to go through all that. American marine fuel senders are 33 - 240 ohms (full-empty respectively). International units are different. Yes - the gauge and sender need to match but again, American marine fuel gauges are equally standardized.

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        • #5
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          Re: Any adjustment on old dial fuel gauge?

          Originally posted by Silvertip View Post
          No need to go through all that. American marine fuel senders are 33 - 240 ohms (full-empty respectively). International units are different. Yes - the gauge and sender need to match but again, American marine fuel gauges are equally standardized.
          Agreed. But the OP apparently has a non standard sender or gauge, most likely the former.

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