You can search the archives or click this link as I have it bookmarked.

http://www.stovebolt.com/bboard/cgi-bin//ultimatebb.cgi?ubb=get_topic;f=2;t=008307#000003

If you can find a big block automatic suburban, it may have 3.90s. Good luck.

Eatons are getting scarce around here as the mud truck guys found out they are bulletproof and have 4.10, 4.56 and 5.14s If I could just find one to swap my 5.14s for 4.10s