Transmission Cooler/Cooler lines

Sterling said

I try not to run the cooler in the radiator, I understand about heat management, but a friend of mine had the radiator cooler go bad. So the atf and antifreeze mixed. I have run the Moroso stick on heat pads on the trans pan before. I run the large plate cooler on everything I can. They make 1/2 pipe to # 6 an fittings, and 1/8 pipe to # 6 an fittings.

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Many many years ago I had a friend who's daily driver trans went bad requiring a rebuild. All the friction materials came off the clutches and bands.
The new rebuilt trans lasted a week and failed the same way again.
It was found that the rad was bad allowing a small amount of antifreeze into the trans fluid. There is a chemical reaction between
Antifreeze and the bonding glue on friction materials that dissolves the glue.