That would be the 4L60E
That would be the 4L80E
One transmission that will fit a 1991 Chevy Suburban is a 4L80E transmission.
No it is NOT even close.
Yes
Yes it will, there the same.
Yes.
700 R4 transmission.
YES they are.
18436572
700r
It is in the transmission itself.
No it will not , its a different designed transmission