RE: Transmission oil

["Randall" <tr3driver@comcast.net>]

> My local mechanic recommends running pure antifreeze in any and all
> cars.  Not only does he believes running 50/50 is a gimmick that leads
> to a need to more quickly change coolant, but he believes it causes so
> harm to the engine.

Pure antifreeze is a lousy coolant, and in fact freezes at a much higher
temperature than a 50/50 mix.
http://www.gi.alaska.edu/ScienceForum/ASF6/680.html

I'd look for another mechanic.

Randall