Dale's A-1 Transmission - ⚠️HISTORY LESSON⚠️• The Roto Hydramatic was an automatic transmission built by General Motors and used on some Oldsmobile, Pontiac and Holden models from 1961–1965. This particular unit is
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Roto ("Slim Jim") Hydramatic - kit/aftermarket source? - Model Building Questions and Answers - Model Cars Magazine Forum
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2) VINTAGE ROTO-10/ SLIM JIM HYDROMATICS - auto parts - by owner - vehicle automotive sale - craigslist
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![GM Hydramatic 05 Roto 5 F-85 Classic Transmission 1961-1964 Disassembly Holden EK EH EJ Oldsmobile - YouTube GM Hydramatic 05 Roto 5 F-85 Classic Transmission 1961-1964 Disassembly Holden EK EH EJ Oldsmobile - YouTube](https://i.ytimg.com/vi/XzrbEzfbg9c/maxresdefault.jpg)
GM Hydramatic 05 Roto 5 F-85 Classic Transmission 1961-1964 Disassembly Holden EK EH EJ Oldsmobile - YouTube
![Roto ("Slim Jim") Hydramatic - kit/aftermarket source? - Model Building Questions and Answers - Model Cars Magazine Forum Roto ("Slim Jim") Hydramatic - kit/aftermarket source? - Model Building Questions and Answers - Model Cars Magazine Forum](https://www.modelcarsmag.com/forums/uploads/monthly_2021_07/JOHANHydramaticSlimJim1.jpg.7da4b512678dcc4da0c32d1851a9ae70.jpg)