Oct 7, 2019 · From the factory it came with a PF48 filter, which they apparently use at the factory to ease assembly line production, however GMC states that this vehicle requires the PF63E …

Jun 6, 2020 · A Google search indicates that the last time that FRAM listed the bypass psi, they indicated 16psi so it may be slightly lower than the 22psi recommended by GM for the PF63E …

Apr 5, 2016 · Link below shows difference between PF63E and PF63. I'll say up front 'my preference' would be for the classic construction PF63. That said, the newer ACDelco PF63E …

Jul 25, 2009 · First, the PF63e is, in theory, a adequate filter for the application. GM now lists it in their parts lookup as the replacement factory filter. However, after my last oil change, I cut the …

Nov 29, 2013 · Thank you DirtyMoe21 for cutting these filters open so we can see the real difference between the old and new filter design. From what I can see the old PF63 seems to …

Aug 30, 2004 · I thought the PF63 and PF63E had different bypass pressure ratings, with the PF63 around 15 and PF63E around 22. If that's still the case, my 4.3 Silverado calls for the …

Mar 30, 2018 · So, if I read correctly, the PF63E spec is 22 psi? If so, using the Motorcraft FL500S and Napa Gold 7502 (which is the fl500s equivalent) would be safer than using the …

Nov 21, 2004 · One difference is the ACDelco PF63e uses a separate poppet type dome bypass. Otoh, the ST equivalent uses a nitrile combo valve, ie., bypass and adbv in one. Imo, that's the …

Dec 6, 2019 · I did several searches and can’t come up with a prior post regarding the latest specs for the PF63. I was under the impression that Delco discontinued the PF63E and the …

Oct 2, 2018 · A couple of years ago I bought a case of the non E core ones off ebay, but you have to be careful because some sellers list the filters (and even have pics) as a PF63 when they …