John ..... back in the 80's I used to subscribe to several motorcycle magazines, and those writers knew their bikes. They did an experiment with two brand new Kawasaki 4-cylinder street bikes. Both bikes were ridden by all members of the test group over the period of a year or two and ridden under all conditions and ridden both hard and easy. One bike had regular oil and filter changes, whatever was recommended by the manufacturer. The other kept the original oil and filter. Both bikes received regular other maintenance and small fixes to keep them on the road and of course, had the oil topped up a bit when needed. At the end of the test and maybe 50,000 miles, they tore both engines down and did all sorts of measurements for wear. Bottom line is that there was not a whole lot of difference between the engines in the two bikes. I'd love to track that article down.
Meanwhile, some of the claims that people make about oil are off the charts. This oil is great andthis one is crap is nonsense if they have the same basic rating IMHO. Sometimes a person will tell us that a differrent oil changed an oil-guzzling monster into one that never used a drop of oil. Some claim they ruined six engines and then switched brands and never had a probem again. I'm very sceptical about those kinds of claims, I just flat out refuse to believe it.
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Today's Featured Article - Ford Part Number Trivia - by Forum Participants. "Replaced by" means the part was superseded. All of my part books date back to 1964 and New Holland have changed some part numbers. They usually put the old Ford part number on the package. I was suppressed when I looked up the part number of the auxiliary drive shaft because for some reason the part number went through a radical change and it lost its "Basic Part Number". Ford part numbers follow the following rules. Most part numbers are in three parts. The middle part is called the
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