I am unfamiliar with this engine, but, could have an oil thermostat and an oil cooler? Also, what rpm is the engine idling at? We had 340u IH tractor that had ZERO oil pressure at idle when hot. When we had to let it idle hot, we just raised the RPM a little-maybe 1000RPM. I was a kid back then and we ran it that way for years. When I grew up and became a mechanic, I told Dad I was going shim the relief in the oil pump. It raised the idle oil pressure, and the high idle pressure also, but it did not exceed 60 psi. Mark.
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Today's Featured Article - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for £200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
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