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Old 05-05-2014, 05:00 PM   #1
chevyhed53
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gas gauge reading

I have an original, behind-the-seat fuel tank in my '56 and I replaced the sending unit, which is the standard unit with the adjustable arm. Right now the gauge reads between empty and 1/4 when it actually has a half tank or even a little more. What's the right way to adjust the unit so it sends properly?
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Old 05-05-2014, 08:04 PM   #2
OrrieG
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Re: gas gauge reading

Uh, adjust the arm, gauge is not adjustable? On mine I made a cardboard section of the tank and adjusted it so I got the full range of motion before putting it in the tank. This assumes you go the correct ohm unit for the stock gauge (30 if I remember correrctly).
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Old 05-05-2014, 10:26 PM   #3
chevyhed53
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Re: gas gauge reading

Does arm need to be adjusted downward, so it is at the end of its travel when the tank is nearly empty? I had assumed it was like a float that dropped as the level of fuel dropped.
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