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 - Tractor Hydraulics - The Basics - by Curtis Von Fange. Hydraulics was one of the greatest inventions for helping man compound the work he can do. It’s amazing how a little floor jack can lift tons and tons of weight with just the flick of a handle. What’s even more amazing is that all the principals of hydraulic theory can be wrapped up in such a small package. This same package applies to any hydraulic system from the largest bulldozer to the oldest and smallest tractor. This short series will take a look at the basic layout of a simple hydraul
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