Quote:
Originally Posted by bobcowan
Yes. In a Windsor engine, the oil goes from the pump directly to the filter. The stock oil pressure sender is after that.
A cheap (Fram), clogged, or too small filter can be restrictive. The pump is pushing against the restriction, and that increases the pressure enough to open the relief valve. Everything after the filter then has a lower pressure, and a lower flow.
I prefer either the Motorcraft FL1-A or a Purolater Pro-1 filters. |
I installed an Oberg
oil filter setup on my Roush 427. Better flow increased pressure and is cleanable. These are the same filters used on NASCAR machines , NHRA fuel dragsters. More expensive but they are reusable as long as you own the engine. Check it out a
Oberg Industries