Sniper
Registered Member
I have a 1999 new style Sierra 1/2 ton with the 6-lug IFS and I need to know if it's possible to swap in an 8-lug 3/4 ton IFS from the same year. Basically, did the 1/2 ton and 3/4 ton share a common frame in 1999, before the Heavy Duties came out?