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skipc
February 23rd, 2005, 19:10
Does anyone know where one can go to get the thread size/capacity/valving specs for various filters BY PART NUMBER? What I would like to do is actually compare various filters that would fit my XJ (narrow it down by thread size first), both so I could have alternatives based on availability, and for max capacity.

I also have a Chevy 454 engine, and Delco has replaced the original filter with a smaller version (original disco'd), and I'd like to get the biggest possible there too.

I'm not sure if there are any other differences among a mfg's filters, like valve specs, or whatever, but I'd assume it's either got-a-valve or not, filter area, can size, and thread size are the only diffs among the various numbers from a mfg. Other than that, it would be buy it and try it, an expensive way to do it...

Thanks.
Skip

00xjsebb
February 23rd, 2005, 19:37
On the 4.0, just use your favorite brand version of the Ford V8 filter (Motorcraft FL-1A, Fram PH8A, Purolator, etc.). It is almost twice as big and provides about twice the capacity of the Mopar short filter. Works great on my 2000. I know the Purolators and Motorcrafts are supposed to have the anti-drain valve. Don't know about the others.

When I used to work in auto parts, we would use the filter books and look back a few years to find the larger old-style filters that would work to replace the newer small ones. This worked for most GM, Ford, and Chrysler apps. The oil filter bases/threads usually did not change, even if the filter size did.

5-90
February 23rd, 2005, 20:39
Get your hands on a Wix catalogue - very good technical information.

Watch out on the Ford filter swap - the RENIX XJ's have metric filter nipples (M20x1.5, as I recall) and the Ford filter uses a 7/8"-something thread. I think this can be changed by changing over to a later filter adapter, but I can't swear to it just yet...

A good short-chain or mom-and-pop local with WD's should be able to get you the WIX catalogue for you for nothing (reminds me, mine is about 10 years old and I should get a new one...)

WIX filters are a good deal better than Fram, and they have industrial applications for your consideration as well...

5-90