Quote:
Originally Posted by tsanborn
After reading up on my '56 292, it appears that my engine was just on the cusp of when Ford started to install spin-on filters as standard. I think the cutoff date was '57 so the one on my engine may be an adapter. Still leaves me with the question of why the WIX filter I bought today wouldn't thread on to the mount that's on my engine.
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Depending on where that adapter you have was made it could be an odd non-standard size instead of the more usual ones. The oil filter part numbers mentioned above are indeed the ones it 'should' be.
If the male thread is an odd size and you want to replace it be aware the current crop of stamped steel adapters do not have a good track record for the gasket between the block & adapter plate holding a seal.
Images 1 & 2
Machined aluminum adapters with a groove and O-ring on the back side against the block are better, but there don't seem to be any remaining US manufacturers. They all come from china these days.
Image 3
Copy of a Ford letter dated Nov. of '56, a month or two into the '57 model year, announcing the coming of factory installed spin-on oil filter adapters. Sorry the text is so small.
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spin on filter adapter.jpg
spin-on filter adapter, back side.jpg
Nov 8, '56 spin-on oil filter adapter letter.jpg