oil pressure
The oil pressure tap goes just above your filter. There is a fitting there with 2 bolts. Remove the fitting and drill into the opening on the fitting.
I had a pic here, but can't seem to locate it at this moment.
Maybe someone can provide one......
...............You can't miss it - it's a small aluminum casting that attaches with (2) bolts to engine block directly above the oil filter.
You will see it has an angled boss sticking out of the center. Remove the casting, carefully drill/tap center of that angled boss for 1/8NPT and install sending unit, install casting back to engine (it uses o-ring gasket).
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