Re: F20 oil pressure

Posted by Ron W on August 03, 2007 at 21:03:35 from (64.12.117.137):

In Reply to: F20 oil pressure posted by David F. Humphrey on August 02, 2007 at 11:59:59:

I have recently rebuilt a farmall regular. As a machinist, I have made all new guides, bushings, new pistons, sleeves, main bearings, tappets....Everything, literallty everything is to tight tolerances; even the oil pump was precisionally rebuilt and ground including a NOS pressure relief spring. I am getting 20lbs at start up and about 17lbs hot. I do not suggest using a multi-grade as it will thin out way too much and you will melt a babbit rod bearing. I am running straight 30 HD in this engine, and in my other regulars, 10-20, f-30, etc with very good results. After using the 30 HD for about 7 yrs, I took apart one of the rod bearings that I had hand scrapped in and found no scoring, nor damage. I use this tractor all the time, plow, buzzsaw, and pull. I have been told by old IHC techs that anything over 4lbs was ok as long as the volume is there. Big thing.....make sure the oil is up to the top petcock!

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