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Charlie's Garage Sale

Hydramatic (Standard and Dual Range)

Also known as Single and Dual Path.

Used 1946-63 in various Olds, Pontiac Cadillac, Hudson, International, Nash, Kaiser and Lincoln models. Also used in GMC and Chevrolet trucks.

There were many versions of this transmission and many parts do not interchange among them.

This was a cast iron cased, hydraulically controlled  transmission. 

Band adjustment for dual range:
Front = 1/3*
Reverse = 1/3*

* Loosen band adjustment all the way.  Start engine. Shift the manual lever to low. Tighten band adjustment until it stops.  Turn engine off (it will loosen with engine off).  Count the number of turns it takes to re-tighten and back off 1/3 that number of turns.



Pan and gasket

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