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 - Seeing an Old Friend - by Joe Evans. Dad had a concrete contracting business starting in 1960. One of his first pieces of equipment was a Ferguson TO-35 with a Davis loader. Dad replaced the TO-35 with a MF 202 Workbull, essentially an industrialized Ferguson 35 I am told. Dad bought the 202 new in 1962, and I recall quite clearly going to the dealer with him to sign for it.
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