Oh, I do have two small electric fans on the transmission cooler. They help at low speeds, and when sitting and cooling down. They don't do anything at speed.
The torque connverter lockup override seems like it would help a lot on long grades, especially if you're towing and have to drop into second.
Conversely, I've taken my transmission from dead cold to 190 degrees in a couple of minutes when I left it in second by mistake, and drove stop sign to stop sign on some of SF's steeper hills.
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'99 EB ex ENG KSWB news van, low rent 4x4 conversion (mostly fixed by now), home built interior.
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