belvedere666 Posted June 27, 2018 Report Share Posted June 27, 2018 (edited) Thoughts, opinions, advice pros and cons? I came across a Fluid drive transmission for, what I think is a great deal. Right now I have a standard three speed transmission in my 1950 Plymouth. I have heard people say in the past that the Fluid Drive transmissions were a little bit problematic. I assume that some of the people in this group have them in their cars. What are your thoughts? Benefits? Edited June 27, 2018 by belvedere666 Labeled incorrectly Quote Link to comment Share on other sites More sharing options...
dpollo Posted June 27, 2018 Report Share Posted June 27, 2018 Hydramatic is a trade name for Oldsmobile. Nothing comparable was offered for Plymouth. Dodge used a transmission called Gyromatic but it will not fit under the Plymouth's smaller floor. If you really need an automatic in your 50 Ply, then I would suggest a GM 350 which you can buy an adapter kit for. I like the 50 Plymouth just the way it was built. Retrofit an R10 Overdrive and it will go anywhere at any legal speed. 1 Quote Link to comment Share on other sites More sharing options...
belvedere666 Posted June 27, 2018 Author Report Share Posted June 27, 2018 10 minutes ago, dpollo said: Hydramatic is a trade name for Oldsmobile. Nothing comparable was offered for Plymouth. Dodge used a transmission called Gyromatic but it will not fit under the Plymouth's smaller floor. If you really need an automatic in your 50 Ply, then I would suggest a GM 350 which you can buy an adapter kit for. I like the 50 Plymouth just the way it was built. Retrofit an R10 Overdrive and it will go anywhere at any legal speed. Guy had it listed as a hydromatic... it’s from a 52 dodge, Coronet I think. maybe it’s a fluid drive. I’ll edit the post. Quote Link to comment Share on other sites More sharing options...
Don Coatney Posted June 27, 2018 Report Share Posted June 27, 2018 No such thing as a fluid drive transmission. The fluid drive unit and the transmission are two separate things. 1 Quote Link to comment Share on other sites More sharing options...
The Way Posted June 27, 2018 Report Share Posted June 27, 2018 If you go to the top of the page, click on technical, then click on tech tips. There is a wonderful description of what fluid drive is and how it works. I have it on my car and it allows me to be in gear (I have a 3 speed manual) at a full stop. Great on hills! There is also a semi-automatic tranny that works with it too. The website Allpar also is a great read on old Mopars. 1 Quote Link to comment Share on other sites More sharing options...
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