what transmission comes stock in a 1990 gmc sierra?

[Kristy]

automatic 8 cylinder 350 small block looking to buy one and don't know what i'm looking for. is it a turbo 350 or someone said a 700 something. it's a 4X4

 

[dodge man]

either a 700-r4 or a 4l60 is in that one,good luck.

 

[anthony]

im not sure about the 4x4 but my 89 silverado has a 700r 350 turbos are on older models

 

[knuckleheaf27]

this site should help u


http://www.milleniumtransmissions.com/index.php