Good info for others looking into gauges.
I've had zero problems with my Westach electric FP gauge for 2 years now. It's within 2 psi of a mechanical gauge. I stayed clear of a mechanical gauge because I didn't want any fluids ran into my cab.
Cumnspwr
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2001 2500 4x4 GB Full Billet Auto
HTT Prostreet 66/14, 7X.012's, Some headwork, FMS, Smarty, Nitrous, Lots of other stuff! 750+HP