Had a buddy with one of 'dem big Cummins' they're always talking bout and he went through glowshift pyro probes like weekly. That was enough for me. Didnt even want the hassle. Seems like some get good one and some are just junk out of the box. Guess it depends on how lucky you are LOL
in theory, all a "gauge" does is read resistance from your probe.... you can have a 10$ gauge & still get accurate readings off of a good probe... autometer & isspro have a good setup.... i have autometer myself & theyre on point..... i also heard very good things about the isspros
We sell both Auto Meter and ISSPRO. We've had very good results with the ISSPROs. Their EV2 series was specifically designed for the light diesel truck market. They have become our most asked for gauge kit. They do cost more than overseas made gauges, but that's to be expected for employing fellow US citizens. They're still very reasonably priced IMHO.
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