'53 overdrive solenoid
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Laughing Gas
Joined: Jul 2002
Posts: 808
Likes: 2
From: east central Illinois
'53 overdrive solenoid
I was looking at my two overdrive solenoids last night. The post on the end of the solenoid that engages the pawl in the tranny is ball shaped with two flats on it. I presume this lets you turn it while you install it and then rotate it 90 degrees to lock it in place. But one of the solenoids has a shaft that would seem to be 90 degrees off since I can put it in place without turning it. The other one looks to be about 30 degrees off. Is the solenoid supposed to pull the pawl back or is its only job to push it into place? The shafts don't turn in the solenoid. Are they supposed to? I'll post a couple pictures tonight since my explanation is probably not very clear.
Kevin
1953 Ford F-100
Go Illini
Kevin
1953 Ford F-100
Go Illini
Mountain Pass
Joined: May 2003
Posts: 146
Likes: 1
Kevin, the solinoid is a'push-pull' unit. I have assembled an OD from 3 transmissions: the input from my original 3 speed, the housing,gears and solinoid and governer from a '51 Merc, and the OD internals from a '57 T-bird. I am using the 6Volt items from the Merc, but had to buy the pawl ring from Joblot, as the OD portion of the Merc was presumably run dry, the sun gear grenaded, and took out the pawl ring and some other stuff. I was able to use the T-bird Od internals, but the solinoid adapter plate (between the trans and tail shaft) has a lower angle where the solinoid mounts. My solinoid turns only about 30 degrees and lines up to the mounting holes. They put these OD units in many diffrent vehicles, so your other one must be from a diffrent vehicle. I would not hesitate to use the one that turns 30 degrees. Check out this info http://www.tocmp.com/manuals/trans/B...rive/index.htm .Jeff.
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Laughing Gas
Joined: Jul 2002
Posts: 808
Likes: 2
From: east central Illinois
Thanks for the reply. I dug through my library of documentation and found an article a fellow FTE'er sent me last year. It states the solenoid shaft is push/pull and should be 37 degrees off center so that sounds right. The solenoid I plan on using has that offset. The other solenoid I picked up has the shaft dead center so either it is from a different overdrive or the shaft somehow was rotated. That seems unlikely.
Kevin
1953 Ford F-100
Go Illini
Kevin
1953 Ford F-100
Go Illini
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