700R4

Donald · Jun 29, 2024

I bought a used 700R4 , I am tring to find out what it came out of . It has 1WAM164A stamped on the ID flat spot has a 2WD and a K case and a Corvette c4 tail housing . Any ideas would be greatly apreciated .

NickTransmissions · Jun 30, 2024

Interesting...The case itself is a 1991 model year case, WAM indicates model however I don't know what specific model...

What are you trying to install this 700R4 into? A Corvette or a Squarebody truck?

Here's a break out of the casting numbers and their respective meanings:

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Nasty-LSX · Jun 30, 2024

A "K" case has a thicker flange that the dust shield bolts on to. I think That k case was a
HD truck trans. Good starter trans for a beefy build.

Jgonick · Jul 1, 2024

1WAM164A

1991 4.3 L "G" Van wiring type 18 - "164" (numerical day of year made) on A-shift

700R4

Donald

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