Zmanco Posted December 3, 2009 Share Posted December 3, 2009 I tried installing a 3/8 NPT temp sensor into the threaded hole next to the drain plug on the stock turbo oil pan but the threads obviously aren't a match. Before I start buying adapters, can anyone confirm what the thread pitch is? I'm guessing BSPT? Quote Link to comment Share on other sites More sharing options...
Zmanco Posted December 4, 2009 Author Share Posted December 4, 2009 I found this on McMaster: http://www.mcmaster.com/#4860k143/=4sd5um If I'm reading the drawing correctly, it looks like the BSPT is 19 threads per inch and the NPT is 18. That would explain why they look the same but don't fit. Can anyone confirm that the thread on the stock turbo oil pan temp sensor hole is BSPT? Quote Link to comment Share on other sites More sharing options...
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