des42

Fluidrive interchange?

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Does anyone knows...Can I swap fluidrive unit from 48' Sotos Tiptoe to my 42 Simplimatic? It seems to be same outside...I know there is differences inside but are they physically interchange? Or du I miss something?

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Do you mean just the fluid drive unit? The system around the clutch? Or do you mean the whole gearbox, including the fluid drive unit?

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Just the fluidrive unit and clutch...I have a simplimatic and fluidrive unit is damaged and leaks. I have newer units from tip-toe and another what I think is from 48'Dodge....and all three looks same from the outside...

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You can use the Fluid Drive and TipToe shift from a 46-48 DeSoto, Chrysler or Dodge 6 cylinder but you will need the floorboard from the 46-48. The access panels for the TipToe are different from the Simplimatic. I've seen a 42 DeSoto where the owner got tired of messing with the Simplimatic and went ahead and installed the TipToe unit. I don't remember if he had any problems with the linkage for the shift lever or not.

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Old dead thread...but you cannot easily swap in a later 1946-49 TipToe trans in place of the 1951-42 Simplimatic transmission.

The wiring,vacuum and electrical controls are completely different between the two.

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      I was thinking the same thing for my 42 Chrysler. If you would use the wiring from a 46-48 with the 46-48 transmission. would that work?

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