Transmission Question.
Thread Starter
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Senior User
Joined: Jan 2005
Posts: 174
Likes: 0
From: Lynchburg Virginia.
Transmission Question.
First Hello, You seem like a great bunch of guys, Glad I found this site. Maybe you can help me with a question I have about the transmission I have in my 66 F100. I was told it came out of a 76 van w/300. It is a 3 speed with od. I shift it like a 4 speed and it works great with the 3:70 rear. It has developed a whine in third (direct) gear and I would like to rebuild it but I dont know what to call it to find parts. Any Ideas? Thanks, oldmaninva.
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
James, I don't know who made it, but all I have ever heard about it is, it's one sorry tranny. Too light for the app. and expensive to rebuild. They were installed behind the I-6s and reported to get the big vans up near 20 mpg. I drove one once and the truck was weak, but I don't like a 6 anyway.
Have you thought about an AOD?
John
Have you thought about an AOD?
John
Thread Starter
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Senior User
Joined: Jan 2005
Posts: 174
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From: Lynchburg Virginia.
Thanks John, I have heard the same about it, but it has held up pretty well till I let it get low on grease. I have drove it for 3-4 years, last spring I pulled up over 20 stumps with it. I like the straight drive and it works well with the low rear, plenty of "go" when in direct and after you have surprised them you still have OD to shift into and keep on pulling away. I have seen some top loader kits on e-bay for around 85.00 but am not sure if they have the correct parts. Anyone else got any ideas?
Posting Guru
Joined: Nov 2000
Posts: 1,310
Likes: 3
From: Illinois
I used the same transmission in my previous 66. It was behind a 300 (.060 over) with 3.50 gears. It would get me over 20 mpg. The downside of that OD was the BIG gap between 2nd and 3rd gears. You have to really wind up the engine in 2nd to make the shift.
I am not sure who built that trans or if rebuild kits are available. The newer models had an internal shifter and aluminum case.
I am not sure who built that trans or if rebuild kits are available. The newer models had an internal shifter and aluminum case.
Thread Starter
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Senior User
Joined: Jan 2005
Posts: 174
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From: Lynchburg Virginia.
Thanks everyone, I talked to a local Ford parts manager I have known for years a few min. ago and he said it was a "single rail overdrive". He is usually pretty good on older Ford parts. Does this sound close? Doug.
Elder User
Joined: Oct 2004
Posts: 556
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From: Ridgeway, Virginia
If Oldmaninva is lucky somebody told him wrong and he really has an original Borg-Warner T89-N Overdrive. I have heard nothing but good things about these trannys. Evidently quite valueable as well as sturdy.
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Laughing Gas
Joined: Oct 2001
Posts: 957
Likes: 3
From: Winchendon MA
If it out of a 76 van it should have a floor shifter and would be a SRO or SROD.
Yes there light duty but where used in gas crunch days cause there were cheap to make. It was a redesign of a 3 speed they just narrowed the gears and stuck in a fourth! Dodge did it too.
This tranny should run you ~ $100 in a junk yard.
I have one here in Ma. that my wife will not let me use. She like the column shift!!
44dwarf
Yes there light duty but where used in gas crunch days cause there were cheap to make. It was a redesign of a 3 speed they just narrowed the gears and stuck in a fourth! Dodge did it too.
This tranny should run you ~ $100 in a junk yard.
I have one here in Ma. that my wife will not let me use. She like the column shift!!
44dwarf
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Post Fiend
Joined: Nov 2000
Posts: 6,060
Likes: 7
From: Glendale Arizona
SROD is a truck/Van specific transmission Produced from 82 on.
Aluminum case and top shift. great upgrade for a slick to get rid of the granny low. It is not ment to haul the 40 foot trailer behind. I have one in My 62 F250 uni to help with the 4.56 rear gears. Most the truck will ever haul is my **** around so i do not need the really low first which i never use anyway.
The eariler three speed overdrive is steel cased and toploaded. with side mount shifter just like a regular four speed transmission. Prevelant in mid seventies vans and ford granadas. Looking at them there is no way to tell them apart form regular four gear as they use the same case.
You could find the steel cased OD in a stang but never a SROD as the shifter will be well under the dashboard.
Garbz
Aluminum case and top shift. great upgrade for a slick to get rid of the granny low. It is not ment to haul the 40 foot trailer behind. I have one in My 62 F250 uni to help with the 4.56 rear gears. Most the truck will ever haul is my **** around so i do not need the really low first which i never use anyway.
The eariler three speed overdrive is steel cased and toploaded. with side mount shifter just like a regular four speed transmission. Prevelant in mid seventies vans and ford granadas. Looking at them there is no way to tell them apart form regular four gear as they use the same case.
You could find the steel cased OD in a stang but never a SROD as the shifter will be well under the dashboard.
Garbz
Post Fiend
Joined: Nov 2000
Posts: 6,060
Likes: 7
From: Glendale Arizona
Look on the side of the trans near the back of the case. I had a real nice one from a mid 70s van that when i cleaned it up it had a small metal tag held on by a screw. this tag is the info you need for a rebuild kit. the kit should be avalible thru NAPA and other good parts jobbers as long as you have the tag numbers to correlate it. Oh when you pull it out for the rebuild and clean it up if the top cover is real greasy take care cleaning it as there is a really slick mexican federal eagle and HECO IN MEXICO litho'd on the plate..
Used in lots of Ford and Mopar products in the seventies.
If you get the numbers holler for Barry to look them up... The man is a genius in finding stuff. He may even find a NOS kit from ford out there.
Garbz
Used in lots of Ford and Mopar products in the seventies.
If you get the numbers holler for Barry to look them up... The man is a genius in finding stuff. He may even find a NOS kit from ford out there.
Garbz