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Originally Posted by PhilD
It's most probably not dropping out of overdrive anyway, more often than not the TC just comes out of lock up, about a 300 rpm difference, and starts warming that tranny fluid up.
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Phil,
Oh, I assure you it's dropping out of overdrive... damn thing drops 2 gears and the tach jumps to 3100 and stays there.
Normally as soon as I start an incline and it drops into passing gear, I'll turn the cruise control off and drive it myself.
On a minor incline, I purposely left the cruise control on and that stupid sob dropped into second, went up the entire hill, came over the top and stayed there for about another 1/4 mile.
It's simple, these trucks are not meant to have the cruise control on at 80-90 mph... or 70
Supercharger will take care of that.
Mark