Re: 237 Engine Question, Help Needed.


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Posted by Dave Horvath [73.154.113.3] on Friday, November 13, 2015 at 18:56:11 :

In Reply to: Re: 237 Engine Question, Help Needed. posted by Dave Horvath [73.154.113.3] on Friday, November 13, 2015 at 18:49:45 :

In this picture of a disposable type canister filter, the oil enters the top of the filter and exits the bottom.

From the Forum Archives:
"I've got 2 different owner’s manuals showing the same oil flow, a B-1-PW original printed late 1948 and a 1945-71 reprint. They show the oil supply to the filter coming from the oil galley located above the camshaft area. The one diagram shows oil supply going into the top of the throw-away sealed canister filter and the other diagram shows supply going into the bottom of the replaceable cartridge housing. The oil flow in both diagrams is indicated by arrows in the supply and return lines. The return is plumbed to the casting area of the relief valve. Depending on what brand of filter housing you have determines where the oil supply and return lines are plumbed to the filter housing due to each manufacturer’s intended oil flow path. Deluxe and Purolator "N" housings are fed from the bottom, certain Fram housings are fed from the side. Most bypass filter housings have a one way check valve to allow oil flow past the filter if it becomes plugged and hooking the oil lines up backwards will defeat the purpose of the check valve."

Bottom line as others have said, is filter style determines oil line routing but the oil exits and returns to the block the same way.





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