RE: Lubricants

["Randall Young" <randallyoung@earthlink.net>]

Actually, on the TR2/3/4 engines, it taps in _before_ the filter.  This is
probably a leftover from the TR2/early 3, which had bypass type filters,
where the filter output went into the pan.

Randall
59 TR3A daily driver

> -----Original Message-----
> From: Barry Schwartz
>
> FWIW. . .
> The oil pressure sender "tap" is (on almost every engine I've seen
> including the TR variety) directly in the oil galleries to the main
> bearings just after the pressure relief valve AND any filtering (spin
> on/cannister type).  It's a pretty accurate measurement of oil bearing
> pressure at the mains and the camshaft journals.
>