Re: SM420 transmission rebuild with upgrades
I've had my SM 420 out of my '60 1500 twice for clutch work in 54 years. Seemed even heavier the second time.
It didn't seem to need anything but a little cleanup and fresh oil either time.
It is interesting to see the innards of this super tough old masterpiece.
I hope the ones you've gone over work well for a long time.
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