Transmission ID's

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79Scott

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Scott
Truck Year
86
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C10-Silverado
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305ci
Hey guys,
How can I tell what transmission I have in my truck and if its original to the vehicle?

Thanks
 

TubeTruck

I'm from Boston. Deal with it.
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Location
East TN
First Name
Denis
Truck Year
1978
Truck Model
Suburban K10
Engine Size
LQ9
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TubeTruck

I'm from Boston. Deal with it.
Joined
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Location
East TN
First Name
Denis
Truck Year
1978
Truck Model
Suburban K10
Engine Size
LQ9
you probably have a 700R4 unless someone changed it
 

Matt69olds

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Central Indiana
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Matt
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81
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GMC 1/2 ton
Engine Size
455 Olds
The VIN should be stamped in the case somewhere, maybe along the pan rail or bellhousing. If the stamped vin matched the vin of the truck, it’s the transmission the truck was originally built with. If not, someone changed it.
 

75gmck25

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Northern Virginia
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Bruce
Truck Year
1975
Truck Model
K25 Camper Special TH350 NP203
Engine Size
5.7
If stock, it should be a TH350.

Bruce
 

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