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I've asked this before, I'm asking again hoping for new info...
My Dart Pro1 heads are tapped for 3/8" pipe thread. The original water temp sender is 1/2" pipe. Unfortunately, I found this out after the motor was in the car. Has anyone found a source for a compatible 3/8 sender? I thought I found one that was close, but its reading 250 when my Gen 7 says 190. I can't be the first person to have this problem.
Love to find out myself, but I don't think so, as it's a generational type custom thing, and no sender companies are tooling up for the changeover....
I use a Ford truck 5.0 sender and redid the resistors in the series/shunt of my stock temp gauge...but it's not good except in the specifics of range ...180-220f....anything outside that, i'ts useless....
going to do aftermarket gauges sometime anyway...sauer grapes...