Re: low oil pressure

Posted by DanielW on October 24, 2023 at 09:23:08 from (24.51.248.85):

In Reply to: low oil pressure posted by Tintotty on October 24, 2023 at 08:48:25:

I wouldn't be too fussed. The N's are pretty low pressure machines - your numbers aren't too out of line. That's assuming 12 is read at a lower idle and it's a thin or multiweight oil. If you're running thicker oil and that's read at full RPM it maybe a bit more concerning. If it's the original gauge, they can also be a trifle inaccurate, and any tiny leaks in the line (i.e. threads/flanges not sealing) can make a difference on reading.



My father still uses a 2N as a daily put-about tractor and I actually use the same one to log some red pine plantations where its small size can get around in the bush. It reads just like yours: 40 or so when started, 10-20 once warm. That's running 15w40 in it. Has been running like that for years and years with no trouble.



They're a really easy engine to pop the pan off and roll a set of new main and rod bearings into

without having to drop the crank - if you get really worried you could try that first and see if it tightens

things up a little. Don't think I would bother myself, however.



I'd suggest asking this on the N board below because folks there will be more likely to read it (though you have to be a little careful on the N board: Some of those folks get a pretty picky about their N's: They'll get into vicious arguments over trifles like 30 wt. vs. 40 wt oil, or what style or rad cap is historically accurate).



This post was edited by DanielW on 10/24/2023 at 09:27 am.

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