I change it when the oil is burn-your-hand hot. All of the contaminates are still being suspended in the oil instead of lying on the bottom of the pan. Thanks to the depth of the female threads in the oil pan, your son does realize that about a half inch of oil never drains out of the pan, doesn't he? Anyway, I guess it doesn't really matter too much, as long as the oil gets drained. Years ago, I bought a '78 Mercury Zephyr (Ford Fairmont clone) with the factory 302. I knew the engine had been neglected, but I bought the car because it had a 302 in it. Anyway, I had to change the intake manifold on it and when I pulled it off, there was so much crude in the lifter valley that I couldn't see the push rods, lifters or anything else except the crud. I suspect the oil had gone 25K miles on cheap, store-branded bulk oil. There was no resurrecting that engine.
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Today's Featured Article - George's Fordson Major - by Anthony West (UK). This is a bit of a technical info to add on to the article about George's Major in the "A Towny Goes Plowing" article. George bought his Major from a an implement sale about 18 years ago for £200.00. There is no known history regarding its origins or what service it had done, but the following work was undertaken by Harold alone to bring it up to show standard. From the engine number, it was found that the major was produced late 19
... [Read Article]
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