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Oil Filter


BillhymerMD

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Mike,  

I have faced this a few times and found the best solution is to go to a general filter supplier for cars and trucks, find  a modern filter that is about the same size, it will probably be for a truck.  Then it is a simple matter of machining an end cap that screws and seals  to the new filter with fittings on the other side to match you original oil lines.   New filters at oil change time are then easily obtainable.

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Pontiac and Oakland used a very similar filter #'s XA1, XA2 and XA5 as did Packard but I don't have a listing of their numbers.    I have one new original for my car but am using an oil filter supplied by Bob'b Automobilia for Buick,  It is on page 13 of their catalogue.  #OF-290.  It looks just like the original except the inlet and outlet are reversed.  It fits in the original bracket and contains a modern spin on filter.  The cost was $165.00 a couple of years ago.  It would be the most original looking unless you were able to find a NOS.

The following are three oil filters (Plymouth) that are usually available.  They are the same diameter but have the inlet and outlet on opposite ends.  Same fittings though.  I have included them so that you can see the value of the one from Bob's.  252045944666,  321149822917,  301372768210

I apologize for mentioning the poor sisters and cousins in your Cadillac thread. :)

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If you happened to find an old nos sealed canister filter somewhere, don't use it. There have been many sad stories of the ancient paper coming apart in those filters and clogging oil system passages. Many guys ( myself included) have come up with various ways to conceal a modern spin on oil filter inside of an original canister such as yours. You need to use a bypass type spin on filter with the correct flow rate. A NAPA 1051 will work well on your 31 V8. I have attached a picture of the filter installed on my 31 Cadillac. Imagine that the picture is rotated 90 degrees to the right. The lines of course go into the top of it. The canister is slightly different than yours, but I have seen both kinds installed on engines that I have parted out.

The canister shown here was cut open just below the soldered seam and worked such that one half fits over the other half. A suitable spin on filter adapter is inside along with the NAPA 1051. Stock lines and bracket are used. Observe that the inlet fitting on your canister is a restricted fitting. This must be maintained as part of any scheme you come up with, or you will see a reduction in oil pressure.

post-142660-0-55241900-1439185624_thumb.

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Thank you all for the great info. I've cut my original filter open and cleaned the inside and I'll find and fit a correct Napa spin on adapter. Again, thanks. I've attached what I found on the inside of my filter...glad I didn't leave it on for another 10,000 miles!

post-154079-0-62536000-1439355488_thumb.

post-154079-0-08335200-1439355504_thumb.

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Thank you all for the great info. I've cut my original filter open and cleaned the inside and I'll find and fit a correct Napa spin on adapter. Again, thanks. I've attached what I found on the inside of my filter...glad I didn't leave it on for another 10,000 miles!

 

Holy Cow.  What a mess.  Makes you wonder how any oil went throught there.

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  • 4 weeks later...

We are not the first ones to have this problem, in the 50's Fram and lots others made cartridge aftermarket type units.  I just bought one at a swap meet.  So many cars from the early 30's use your type of filter it is surprising someone dose not make a replacement.  My 1929 Graham-Paige and my 1933 Graham had the same filter, both sport universal cartridge types now.

 

oil%20den.jpg

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As a suggestion, go to the Hupmobile forum & search for " 1929 Hupmobile project "

 

The link below will take you there directly.

 

http://forums.aaca.org/topic/114426-1929-hupmobile-project/?hl=hupmobile

 

He documented the restoration of a 1929 Hupmobile and detailed his solution of problems he encountered.

 

Scroll down to post 18 for a photo of the oil filter.

Post 48 & 50 are his approach to the oil filter problem.

 

He did the restoration starting in May of 2008.

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I'm using the Bob's Automobilia one with a spin-on filter on my '29 Cadillac 341B, too. It looks almost identical to the one I removed and nobody knows the difference. Some new lines bent using Cunifer tube and it looks even better than with the original. I'm very pleased with the setup. I thought I had photos here, but I guess I don't and I'm away from home so I don't have access. Sorry.

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