Transmission ID

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Br 549er

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Location
Warroad Mn
First Name
Bob
Truck Year
1980,1976,1982,1980
Truck Model
K20
Engine Size
400
Question for you guys:
I’ve got an 80 GMC C10 with a diesel in it which I assume is the original Oldsmobile concept… I’ve been trying to find out what automatic transmission is behind it any idea?
 

Dmack

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Location
Central OR
First Name
Dave
Truck Year
1983
Truck Model
K20
Engine Size
350
Look at the trans pan, then search "chevy auto.atic transmission id" and match up. Probably a th350 or 400.
 

Br 549er

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Joined
Jan 26, 2024
Posts
33
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Location
Warroad Mn
First Name
Bob
Truck Year
1980,1976,1982,1980
Truck Model
K20
Engine Size
400
yeah I'm 250 miles away from my farm that i have closed up for the winter (thats where this pickup is) so i can't really look at it for a few weeks...
was hoping there was info on what typically was behind c10 diesel for a tranny... thanks tho
 

Br 549er

Member
Joined
Jan 26, 2024
Posts
33
Reaction score
12
Location
Warroad Mn
First Name
Bob
Truck Year
1980,1976,1982,1980
Truck Model
K20
Engine Size
400
Look at the trans pan, then search "chevy auto.atic transmission id" and match up. Probably a th350 or 400.
found one online that had th350
 

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