dpollo
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Hi,
I was reading the post on early Warner overdrives and seen your comment. I have a 39 Ply. with stock engine and have been looking for a R7 transmission / overdrive for it. I am currently in the process of converting the stock transmission to a floor shift as the shift cable has been causing issues. I recently installed a Mitchel's overdrive, however having vibration issues. I believe the 39 Chrysler / Desota transmission with overdrive can also be converted to a floor shift and will bolt to my bell housing. To use the 1940 R7, I would have to change the steering column and use a column shift and at that point the R10 would probably be more practical. If you are considering selling the unit, I am definitely interested in purchasing. Shipping will be expensive, however willing to pay. If you consider selling, kindly forward photos and your price.
Regards,
Richard Cope
39 Pine Valley Rd.
Jackson, N.J. 08527
cope.r@att.net
732-600-1997
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Did you change the rear, or just the gears? My 39 has a 4.11 rear and at 55 mph the engine and gears are tight, however with the Mitchels overdrive, at 65 mph runs comfortably and is only around 2200 rmp. Unfortunately having vibrations issues that start around 50. Recently found a small business that used to build street rods, now working with antiques. They seem to feel that they can correct. When the weather cools down will be taking the car to them, keeping fingers crossed. With a unit from a De Soto, would only have one driveshaft
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I used a 50 rear end. Gear sets can be swapped 37 to 56 and without any mods at all, 37 to 52.
you will find 3.7 and 3,73 ratios in many post war Desotos with Fluid Drive.
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Thanks for info