Need Help! ? for 3/4 ton 6" lift

[ALBATROSS]

Ok guys I need your help, I've got a 71 gmc short half ton with a 6 in lift blocks in the rear. I broke one of the rear springs, and I had a set of 3/4 springs of a 71 or 72. I bought some 4in blocks for the 3/4 springs but now the truck looks like a stink bug. My question is for those who have 3/4 ton with a 6 in lift with blocks what size blocks do you have? When I ordered mine, the guy at suspension conn. wasn't real sure which ones I needed. I'm thinking a 2in but I want to make sure before I order another set. Any help would be greatly appreaciated.

Thanks, Albie