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Old 10-24-2020, 12:57 PM   #19
Alberta50fordor
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Join Date: Oct 2020
Location: Alberta Canada
Posts: 87
Default Re: Overdrive transmissions

Quote:
Originally Posted by rotorwrench View Post
In 1951, the new diamond tooth gears showed up. If this is a later unit then it likely has those gears. The tail shaft & housing may differ depending on the year of manufacture. The later 259 series transmissions also had their own differences but I don't know if that unit is that late. I'd guess pre 1954 but after 1951 but it could be earlier. I can't really tell with the photos. They should all have the 1-inch 10-spline input but they have different gear teeth than the 49 thru 50 and early 1951. The front bolt up pattern is the same narrow 4-bolt Borg Warner pattern that was used a lot during the late 40s clear up the the early 60s. The early T-10 4-speed even has that pattern.

The forks don't bent easy but they can get that way during an internal failure or under harsh use.
So if I can swap the side cover From the 50 trans to this newer transmission It should work? It looks like rear mount is in the same place and if the bolt pattern for the bell housing is the same
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