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Posted for "Richard M. Martin" <martinrm@ncplus.net>:
The size of the oil pressure sensor hole is 1/8-28 B.S.P. My metric tap and
die set (MATCO #6312) includes both the tap and die in that size. I used
the tap to chase the threads in my 12A.
Anyone know what B.S.P. stands for?
Richard Martin
On my engine, the oil pressure sensor is plugged there. I do not know
the thread size.<<<
[I would guess that BSP stands for British Standard Pipe, and think that the corresponding NPT (National Pipe Thread) size is 1/8-27. Go figure. <Marv> ]
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