I rebuilt mine because was leaking really bad. Use pick hooks to remove o rings. Getting the bearings back in was a real chore but I got it. I left the old Teflon rings on because the new ones were too large. I can't even explain what PRELOAD is. I put everything back together and installed...
I agree. I use Purolator standard red filter in my 2f. I once got a wicked it was all I could find. After running the engine I loosened the filter and there was no oil coming out. Not sure what was happening, maybe the anti drain valve. But it scared me enough to change it immediately