Todd.....
I have heard - (have no personal experience with this) - that shift quality will be really degraded if your tranny fluid is TOO SLIPPERY.... sounds crazy -- but some of these trannys have a syncro issue that causes shifting problems if you're using synthetics or the wrong fluid type etc.
I had quite the long talk with the Detroit locker people at a show they had a booth in -- about using synthetics with posi units... and they're saying DO NOT USE THEM IN THEIR REARENDS... just use 90wt.
So just thinking the old "keep it simple" when looking for an issue and start out with the little things first.
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