Originally Posted by lg1969
Which Fram oil filter causes low oil pressure. I use HP-4 and never gave any problem. Been using HP-4 for over 20 years.
I also use the HP4. Its burst strength is rated at 300 psi. It incorporates a larger rubber oring too. Never an issue.
I do know they had a recall and a bad reputation some years back, I think that problem was resolved.