Back in the days before catalytic converters and unleaded fuel, there was a fair amount of engine repairing happening. I was there. Open up an engine that has been run for any length of time on leaded fuel, and you will see buildup of deposits. They will build up in the oil pan, any return passages in the block, the valley in a V-type engine, and every other little crack and crevice. Today, if you open up an engine, you will find it CLEAN!! As a matter of fact, I noticed this by the time unleaded gasoline became mainstream. There may be some carbonization of the oil, and in some cases some sludge, but nothing like in the old days.
Bottom line: lead is BAD for an engine. Period. Take it from one who has done major engine and transmission work all of his life.
Also note that Amoco has been selling unleaded gasoline for a very long time. Like back into the 1930s if I am not mistaken.
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Today's Featured Article - The 8N and the Fox - by Zane Sherman. Dec. 13 1998, Renfroe, Alabama. Last niht I dreamed about the day that I plowed the field of about 10 acres over on what Jimmy and Dandy called the Ledbetter field. I was driving the 1948 8N Ford tractor that Jimmy bought in 48 new This was prebably in about 1951 and maybe even befor the house was built. This would have made me to be about16 years old and I drove the tractor for nothing and would have paid to drive it if I had had any money which I didn't, but neit
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