mostwanted
1/2 ton status
I am curious if a 1991 suburban 3/4ton might have the 4L60E?
CK5
Register an account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members.
4L60E or 80?
- Thread starter mostwanted
- Start date
AV8
Registered Member
I'm pretty sure they came with the 4L80 in 91.
it would have to be a 4l80E or 700 the 4l60E was not offered until 93
hack500
1/2 ton status
it's possible, check the glove box. MT1 is a 4l80E and M30 is a 4l60E.
A '91 2500 series Sub should have the 4L80E. 
Slapperbar
Retired Navy NDT Examiner
My '91 V2500 has the 4L80E and 241C.
