You should check this forum out http://67-72chevytrucks.com/vboard/showt...p?t=129392. This link is to the 73-91 Blazer section w/ pics.
Right now my '72 Blazer is no lift & 33s...boring i know. I had an '85 with 6" lift & 35" boggers that sat nice. That's the route i plan on going with the '72 too.