Over drive Tranmission
More Turbo
Joined: Dec 2006
Posts: 670
Likes: 6
From: south-central PA
you can mark the output yoke/shaft (or driveshaft) at the 6 o'clock position, then rotate the engine (or input shaft if tranny removed) 1 complete revolution with tranny in gear, have someone watch output.
if output/driveshaft turns more that 1 full turn, and the engine only turns 1 revolution, it has an overdrive (if they both turn exactly the same, it's 1:1).......hope that makes sense...
if output/driveshaft turns more that 1 full turn, and the engine only turns 1 revolution, it has an overdrive (if they both turn exactly the same, it's 1:1).......hope that makes sense...
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
On t'other side of the overdrive unit is a governor. Activated by the accelerator pedal...there will be an overdrive kickdown switch and somewhere under the hood (usually mounted on the firewall) is the overdrive relay.
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Senior User
Joined: Mar 2008
Posts: 411
Likes: 0
From: Warsaw Texas
Hi Group
In the picture below is a tramission that I have taken
out of a 1959 F100. The truck had a push,pull cable
mounted under the dash with over drive on the handle.
There was no solinoid mounted on it, can you possibley
tell by the picture if it is one?
Would you think that I should install in my 1957 or not?
Thanks everyone
Bob
In the picture below is a tramission that I have taken
out of a 1959 F100. The truck had a push,pull cable
mounted under the dash with over drive on the handle.
There was no solinoid mounted on it, can you possibley
tell by the picture if it is one?
Would you think that I should install in my 1957 or not?
Thanks everyone
Bob
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From: NM
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Senior User
Joined: Mar 2008
Posts: 411
Likes: 0
From: Warsaw Texas
Hi Ross
Thanks for your picture. That clears up everything for me.
The OD unit wasent there when I pulled it. Someone else
had already removed it. Thanks again for your picture.
I cant belive of all the information you can get here
What a great place
Take care
Bob
Thanks for your picture. That clears up everything for me.
The OD unit wasent there when I pulled it. Someone else
had already removed it. Thanks again for your picture.
I cant belive of all the information you can get here
What a great place
Take care
Bob
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
Originally Posted by ALBUQ F-1
The OD bolts onto the back of the trans section you removed, see below
That's what ppl do.
Trying to find the correct length output shaft and corresponding looong tailshaft to replace the O/D unit is almost impossible.
Fleet Owner
Joined: Jul 2004
Posts: 27,294
Likes: 1,055
From: NM
Originally Posted by NumberDummy
I believe you'll discover someone removed the entire unit (transmission & overdrive), and replaced it with a 3 speed manual transmission.
That's what ppl do.
Trying to find the correct length output shaft and corresponding looong tailshaft to replace the O/D unit is almost impossible.
That's what ppl do.
Trying to find the correct length output shaft and corresponding looong tailshaft to replace the O/D unit is almost impossible.
I sold the trans shown in the picture in good working order for $150. Still needed the electrics gone thru, but you may be able to find one for similar price. Or go with a T-5, not too many reasons not to, actually.