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Originally Posted by puggerton03  i just switched mine over to pennzoil syncromesh, and i think i like this the best. ive had regular dextron 3, mobil 1 synthetic and now this. i change mine about every 10,000 miles. |
The Synchromesh is a little bit thicker than ATF (I use it in my NV5600 6 speed in my Cummins 1 ton).