ek02
Well-Known Member
- Joined
- Jan 31, 2008
- Messages
- 1,226
Has anyone had problems using a Fram HP2 on an RJC Biggie oil filter adapter? I know all about regular Fram filters being junk these days, and that Wix seems to be the best filter going, but the last WIX I had took 3-4 seconds to get oil pressure cold. I put on a Purolator I had on the shelf and then it took 2 seconds to get pressure. I just changed the oil and put a HP2 on it and it gets oil pressure in less than 1 second. It appears the HP2 still has cardbored ends, but there is a perforated steel tube down the center, and the filter material is clamped at the seam with metal. The bypass opens at 22 PSI and has a screen on it. My oil pressure came up 4 PSI at idle, and 8 PSI at 5,000 RPM. That could be because the filter media lets more oil through and filters less, or because the filter is much larger than the WIX. I can't find anything bad about the HP series of filters. I used them on Fords for years. Opinions?