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Oil pressure and circulation

H

Huskeeboy

New User
I rebuild the engine I my 1949 8 n Ford tractor. When I started it for the first time, I had no oil pressure. I pulled the line off for the oil gauge cranked it no oil came out. I checked the new oil filter it bone dry. Does anyone have any suggestions. I'm hoping I don't have to remove engine. Thanks
 
The oil filter is a bypass type and doesn't need to be full for the rest of the engine to have oil pressure.

Several folks on here suggest removing the oil pressure regulator from the timing cover and squirting some heavy motor oil in the opening which will HOPEFULLY run down and prime the pump. (Replace parts before startup.)

I like to use a clean pump-up garden sprayer which I've devoted to this use and the same oil that's in the crankcase.

It is easy to adapt one to a hose barb screwed into the oil gauge port at the engine block.

Pump it up and the oilpump is primed/pre-lubed as well as the oil galleries and bearings.

<img src = "http://i167.photobucket.com/albums/u125/27Grainfield/N%20Ford/OilPrimer.jpg">

(Please note the the specimen engine in the photo is NOT a "Dorf", but the procedure is the same.)
 
Huskeeboy,I agree with Bob,priming at the oil pressure gauge fitting or line is the place I prime them at after a overhaul or one that has been setting a long time.I use a air conditioning flush gun to prime the ones I do,you just add oil and hook it to a air hose and it has a tapered rubber tipped push valve on the end of the hose.A pump up garden sprayer works good to. Priming there will prime the oil pump,pressure lube the oil galleys ,cam,crank,rods and mains and also fill the oil filter. I have been doing them that way for years and the oil gauge will show pressure on the first crank with the starter.
 
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