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Old 04-03-2015, 05:37 PM   #32
Old Henry
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Join Date: Oct 2010
Location: Orem, Utah
Posts: 5,762
Default Re: How to calibrate oil pressure gauge?

Good idea. Even better - I'l put the POT in series. Then I can adjust the resistance and see how much it takes to match the mechanical gauge. If I can get a match I can then just buy a resistor the correct ohms, install it, and have a permanent hack.
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