Technical Spin on adapter identification

Hey all,
Got another question: what type of spin on adapter is pictured below? Getting my ‘66 327 block ready for the machine shop and this is the only thing I can’t figure out. My inclination is to pull the bolts and get a rod into the threaded filter boss and pry, but I don’t want to ruin anything.
Any ideas?
Thanks again in advance!

 

Spin on oil filter adaptor. Should pop off after removing the two bolts.

 

Yep, standard spin on SBC adapter.

 

That’s what I thought, but I remove the bolts and it seems stuck. Like, really stuck. Ran a razor blade around the gap outside and flushed it out with carb cleaner and no change.

This is why I was considering the prying.

 

I believe there is just a gasket under the adaptor. It may have some gasket cement on it holding it tight.

 

Second question is “would you save and re-use?” These don’t degrade over time I would think?

 

Probably just good and stuck.
Try giving it a good tap with a dead blow hammer
And as far as wear ? How ?
Maybe the threads where the filter spins on can get damaged by hamb fisted oil change kids but simply wearing out? Naw.

and Raoul , where, where you when the drugs took hold ?

 

Why somewhere around Barstow, out in the desert - of course...

 

Remove the bolts and put a little heat from a propane torch to the perimeter of the adapter. That will soften up any gasket glue which might have a firm grip on the adapter. There appears to be a slight gap between the adapter and the edge of the engine block where you could stick a small flat blade screwdriver in and twist to see if that will pop it loose. If it is flush, tap the sharp edge of a knife blade between the adapter and the engine block.

 

Take out the bolts holding it to the block, then screw on a filter, gently tap on the filter the added leverage should help


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How about a couple of shots of gum cutter or brake clean?

 

It is stuck in the grove where the original canister would seal on a square cut o ring is


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Lots of great advice, thanks all!

 

I had the same issue recently with a 1965 built block. I put the rubber covered handle end of a 1/2 ratchet down the center of the adapter and gently worked it back and forth and it popped out. If you break the adapter, you aren't out much. I got a replacement from TransAdapt just so I would have a clean one for reassembly.

 

Some of those adapters used ford oil filters.

 

Looks like one of these:

https://shop.advanceautoparts.com/p...a898c8046175188c06c1a811ba6b8615&gclsrc=3p.ds

 

I think it's the "better made" of the adapter's out there. Most likely takes the Ford application filter with a built in pressure relief valve. That feature goes with the stock, canister, locating plate. I am Butch/56sedandelivery.