the problem with the early 4.6L engines was that the oil pump relief valve bore was just the aluminum front cover and when too thick oil was used the valve would slam back and wear the bore , then the relief valve would stick and oil pressure would exceed 100 psi , making even Motorcraft filters swell . Ford started putting a hardened sleeve in the relief bore and the problem was for the most part history. I remember seeing that issue a few times.
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Today's Featured Article - A Cautionary Tale - by Ian Minshull. In the early 1950s my father bought an Allis Chalmers B and I used it for all the row crop work with the mangolds and potatoes, rolling and the haymaking on our farm. The farm and the Allis were sold and I have spent a lifetime working on farms throughout the country. I promised myself that one day I would own an Allis. That time event
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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