I own a '91 Suburban 3/4 ton.
It has a 10 bolt front, 14 bolt 9.5" SF rear w/ 3.73 posi, 4L80-E, NP241 and a 350, of course.
Excellent truck, IMO.
The learning curve is a toll road...ride with someone who has already paid!
<a target="_blank" href=http://community.webshots.com/user/abshort>U.S.S. Nimitz II</a>