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transmission query?
1961 Pontiac Catalina....389...4 barrel carb...all original... What did GM name the "slim jim" automatic tranny?
What is it?n Im asking for tech insights
2 Answers
- InjunRAIVLv 61 decade agoFavorite Answer
Wow - this one is a bit before my time, even thought I'm a 60s GTO guy. The Slim Jim was a nickname for the GM Roto-hydramatic. It was used in the Pontiac Catalina and Grand Prix in the early 60s, as well as Oldsmobile and other full size cars. IIRC, the shift indicator went P, N, D, 2, L, R (or something like that)
- oldman49_2000Lv 51 decade ago
Pretty good description and history at :http://en.wikipedia.org/wiki/Hydramatic
