Will an oil pressure switch from a '71 225 fit into a '60 170 oil pump?

Would like to know before I take mine off.

Advance Thank Yous

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There are two sender thread sizes and two different terminal connector types. Threads are 1/8"-27 NPT and 3/8"-18 NPT. The smaller sizes can be used (and often were, from the factory) with adaptor bushings into the larger thread of the oil pump housing. The '60 engines (slant-6 and V8 alike) came with the 1/8"-27 sender, Standard/BlueStreak #PS-11. On the slant-6 this was threaded into an adaptor with 1/8"-27 inner threads and 3/8"-18 outer threads. I don't like this arrangement; it means extra junctions for leaks. On my '62, I removed the small-thread sender and adaptor bushing, and just directly threaded in a Standard #PS-16, which has the larger 3/8"-18 threads. Same slide-on terminal. So the answer to your question is...

...yes!

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

Sweet! Thank You

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