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Ford O Matic Trans

Started by Edd505, 2025-11-05 09:58

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Edd505

I have the transmission out for a major leak.  Turns out it was the torque converter O-ring.  I finally have the o-ring. What is the torque on the bolts that hold the twp piece converter together?  I have not been able to find that info in any of the manuals I have.   

Found on line this look right?
Torque Converter Bolt Specifications for Ford-O-Matic
Torque Settings
Component   Torque Specification
Flex Plate Bolts   75-85 ft-lbs
Torque Converter Bolts   45 ft-lbs
57 Custom 300 2dr 312 4V     58 Custom 2dr w/57 nose & 57 rear
94 Eddie Bauer Bronco 5.8      94 F150 EC LB 5.8
2012 F150 CCSB )hers)   2022 F350 6.7 CCLB (his)

None of us is as smart as all of us.

Jaybird

I just picked up a vintage manual for the Ford-O-Matic. Lemme see if I can find the specs
In God We Trust!
    Jaybird
1932 Ford Roadster
1957 Ranch Wagon
1957 Ranchero
1961 Econoline P/U
1962 Merc Monterey S-55
1966 Mustang Hdtp
1968 Mustang Hdtp

Jaybird

I found it! I have a 50's vintage copy of "Thompson's Transmission Manual". I'd post a pic but it's copyrighted. Under "torque Converter - Assemble" there's a last paragraph "Install turbine hub inner thrust washer, turbine, hub outer washer & converter cover with new seal. Tighten cover attaching bolts to 25-28 ft-lbs torque".

Hope this helps
In God We Trust!
    Jaybird
1932 Ford Roadster
1957 Ranch Wagon
1957 Ranchero
1961 Econoline P/U
1962 Merc Monterey S-55
1966 Mustang Hdtp
1968 Mustang Hdtp

Edd505

excellent that was just what I was looking for. How are you with 312 manifolds?  I now have 3 ECZ-9425-B manifolds 2 clearly marked 56 and one with a TeaPot.  I have a Holly off a 312 but the bolt pattern on the B is too narrow, I need a manifold with the wider pattern.  For the life of me I can not find a manifold that fits the carb.  The vin on my 57 says it was a 312 4V but some where in the last 68 years it was change to a 2V.  Trying to get it back to original. I have checked the engine and it is a 312 there is the round dot on the back of the crank.   
57 Custom 300 2dr 312 4V     58 Custom 2dr w/57 nose & 57 rear
94 Eddie Bauer Bronco 5.8      94 F150 EC LB 5.8
2012 F150 CCSB )hers)   2022 F350 6.7 CCLB (his)

None of us is as smart as all of us.

Edd505

Quote from: Jaybird on 2025-11-07 17:56I found it! I have a 50's vintage copy of "Thompson's Transmission Manual". I'd post a pic but it's copyrighted. Under "torque Converter - Assemble" there's a last paragraph "Install turbine hub inner thrust washer, turbine, hub outer washer & converter cover with new seal. Tighten cover attaching bolts to 25-28 ft-lbs torque".

Hope this helps

Thank you it's in leak free and made it's first road trip around the block in over 40 years, mechanics are done? (I hope) now the interior and paint.
57 Custom 300 2dr 312 4V     58 Custom 2dr w/57 nose & 57 rear
94 Eddie Bauer Bronco 5.8      94 F150 EC LB 5.8
2012 F150 CCSB )hers)   2022 F350 6.7 CCLB (his)

None of us is as smart as all of us.