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Ed Harris: said:
Not so much.
Mr. Cunningham might be a fine gunsmith, but he is a lousy lubricant engineer and chemist.
Mr. Cunningham fails in his ignorance of the differences between ATF and motor oil in that ATF has much less in the way of an additive package than motor oil. (which he eschews in favor of the less adequate ATF)
The additive package in motor oil is higher in EP/AW (Extreme Pressure/AntiWear) and anti-corrosion additives as well as detergents/dispersants (which keep dirt in suspension making clean-up easier) than ATF and both fluids are composed of the same or very similar basestock oils.
The only other difference between the two fluids is color. Motor oil uses a yellow or gold dye; ATF uses red.
Mr. Cunningham has no validity in his stance, well-intentioned though it might be. There is very little in Mr. Cunningham's article that is correct in Mr. Cunningham's article.
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