[TR] TR4 Spin On Oil Filter

[pbrandsema at triad.rr.com]

I'm looking for the Fram# or other manufacturer for spin on oil filter for TR4.  I have a purolater installed now, but I'm trying to diagnose a drop in oil pressure problem.  I know one possible explanation would be worn bearings.  However, before I go that route, I want to look at other possibilities.  I've read that the spin on filter must be a certain type, with an internal relief valve.  Moss sells a Fram, but if I can pick it up locally, it would be easier.

Thanks,
Paul