ATF may be used in some manual trans & xfr cases... but it does not have the properties required for engine lubrication, detergents and neutralizing acids from combustion. Cant comment on the forces on gears doing a clutch dump, but its not the same type of force that requires high levels of anti wear and lubrication of engine oils, maybe those trans are designed to be able to use ATF but I would never use it at full strength in an engine, and from what Ive found with basic research, it doesnt clean as well either.
Not sure if phos is a detergent, it is used mainly for anti wear in combination with zinc to form ZDDP. Detergents are usually calcium, sodium, magnesium etc. Regardless, the PPM numbers are very low and not even close to the levels required for engine oil, phos & zinc are usually in the 900ppm range for off the shelf oils, specialty/race oils that so many people claim are needed for even stock broken in cams have 1000-1500 PPM zinc/phos, Dex3 ATF is 159phos & 17zinc!
Hey, looks like there is 1 vote for pure ATF now... was that mr mike or another member? Please, post a comment as to why you voted for or use pure ATF in your engine.
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