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Originally Posted by rs899
Herr Doktor- I too have been looking at stockpiling 722.1xx trannys when Upullit has them on sale for $40 and they look like they have a breath of life left in them.
Do you have any familiarity with the 722.3xx series Rick
Deltona, FL
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I always referred to the transmissions as a '4-Bolt 722' and a '6-Bolt 722' as a generalization. The later 6-Bolt is actually easier to work on than the 4-Bolt. However, the 4-Bolt is actually a heavier duty unit.
If you compare the size of the planetaries in the two units, the 4-Bolt is much sturdier looking. However, both transmissions would be a great unit.
I would like an overdrive in my W116.120 behind the 617.950 engine. I think that would be a great modification, especially for highway cruising...Bert