Moregolf,

Can you point me to some authoritative reference which recommends "flushing" an automotive engine with ATF.

This may work, and it may be a great idea, but it sounds so far-fetched.

Is there an automtive manufacture's web site, or an oil company web site, or something you can point me to to get a handle on why ATF is a usable "flush."

In the days when engines need to be decarborized, I can remember recommendations to pour dry, uncooked rice down the carburetor throat, while the car was running full throttle, in order to clean out the combustion chambers.

I am not saying that your proposed technique is wrong--I have no basis to say that--but I would like to get more information.

Thanks.