Oil filter cross reference - Fram PH7325, What filters will fit my aftermarket oil tank? |
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Oil filter cross reference - Fram PH7325, What filters will fit my aftermarket oil tank? |
Eddie914 |
Jun 16 2006, 05:51 PM
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#1
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Unregistered |
I'm trying to find what oil filters are available for my 3.2 powered 914/6 conversion with a one-off oil tank mounted in the original battery location.
The car was converted by the previous owner and he was not able to provide any additional information. The car came with a Fram PH7325 oil filter that my local auto parts stores do not stock any more. CM Filters (Canton Mesa) has a cross reference than indicates that their model 25-282 is interchangable with the Fram PH7325. The CM specifications indicate that the 25-282 has a 20mm thread, 2 5/8" O-Ring and 4 1/4" length. The CM 25-282 also fits 91-94 911 Turbo, 82-up 944 and 78-up 928. Any Suggestions? Thanks Eddie |
morgan_harwell |
Aug 25 2008, 01:19 PM
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#2
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Ha! Finally snuck up on a camera! Group: Members Posts: 126 Joined: 28-January 03 From: Santa Cruz Mtns., Ca. Member No.: 203 Region Association: Northern California |
Aftermarket tank and uses a Fram? Was the tank designed to use the stock Mahle or other less common German filters used on the 911 and 914/6 tanks? No. The 'Aftermarket' tank is a Stevens Machining 20QT. tank, designed to use diesel oil filters. When I talked with Mark Stevens about this (waaay back when in 1987), he preferred the diesel engine filters because of their greater flow capacity & finer particle filtration. I've never tried a Mahle filter on it (have several Mahles since we have a bone stock 911SC). The o-ring diameter is the wrong size and the threads don't match either. I have Mark's prototype pre-production oil tank. After 20 years, ~200K miles, ZERO engine failures, I guess the 'Aftermarket' oil tank and the FRAM diesel oil filters really 'SUCK'. I lost the original filler cap and haven't found a decent replacement yet. Yep, that's a Permatune, too. Been there for 20 years, ~200K miles. One time I thought it had failed, I was mistaken. |
BMartin914 |
Aug 25 2008, 06:46 PM
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#3
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||| Group: Members Posts: 1,408 Joined: 30-May 04 From: Oregon Member No.: 2,128 Region Association: Pacific Northwest |
After 20 years, ~200K miles, zero engine failures, I guess the oil tank and the FRAM filters really 'suck' From my standpoint, it is not whether or not fram filters suck (they do BTW) but that that poor quality filter is the weakest link in your oiling system - for an engine that NEEDS a lot of oil in a large volume to operate. If the hot glue and thin paper element inside that filter come apart, you are going to be wishing you'd spent the extra $$$ on a REAL filter. |
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