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Originally Posted by woodnthings8
IIRC tow safe with the SCMT is for towing under 6k..... Tow safe is what you should have been in. But you know that now.
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Yes, I sure do.
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How fast were you going when you were begining to see the temps rise? You need to be going at around 45 mph for the torque converter to lock up, otherwise you are generating a ton of hot fluid to cool down. That is why most install a 6.0 l trans cooler. The OEM cooler has 9 rows the 6.0 coolers are 26 or 31 rows. Much better in keeping the temps cool.
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Probably no more than about 35mph. It was a very steep and twisty grade.
Since I just paid for a brand new OEM cooler, will an additional aftermarket cooler do the trick? I guess I ought to add a tranny temp guage to my pillar stack too.
Mark K: I was thinking more along the lines of how the Superchips programmer changes the shift points and makes them crisper...and whether that would hasten an early demise to my tranny.
Oddly, I recall remarking to my wife how great the truck was pulling the trailer up that grade just before it puked. d'oh!
