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02-13-2023, 11:40 AM
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#1 |
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Registered User
Join Date: Sep 2007
Location: Cookeville, TN
Posts: 53
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What Trans is this ?
I'm not up on my transmission identifications. What is this tranny that's bolted to this 454 ?
 
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02-13-2023, 12:01 PM
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#2 |
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The Older Generation
   
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,332
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Re: What Trans is this ?
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Auto transmission id: LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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02-13-2023, 12:02 PM
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#3 |
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Registered User
Join Date: Feb 2015
Location: friendship WI
Posts: 174
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Re: What Trans is this ?
Thm 400
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02-13-2023, 12:03 PM
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#4 |
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Registered User
Join Date: Feb 2015
Location: friendship WI
Posts: 174
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Re: What Trans is this ?
Looks like a THM 400
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02-13-2023, 12:35 PM
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#5 |
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Registered User
Join Date: Jan 2003
Location: Safford,AZ
Posts: 3,613
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Re: What Trans is this ?
Thm400 with bolt on yoke.
Last edited by Warrens69GMC; 02-13-2023 at 09:57 PM. Reason: speeling |
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02-13-2023, 01:01 PM
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#6 |
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Registered User
Join Date: Mar 2015
Location: washington
Posts: 2,168
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Re: What Trans is this ?
Yup, the board nailed it.
These were typically used on 1T trucks and motor homes. The bolt on yolks style had the slip joint in the driveline. I included a picture of the output shaft and parts below. There are at least 4 different style yolks and many require a different style and matching output shafts. They very on how they seal. Some yolks are vented some are not. Some have an "O" ring on the output shaft. A lot of mistakes are made in the interchange. If not done correctly you end up with a leaking output. To complicate things there is a 375 transmission which is a THM 400 with a 350 style output shaft. Cheers Last edited by Accelo; 02-13-2023 at 01:25 PM. |
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