Father-Son 1974 Duster Project
Yeah, if I was going to the trouble of pulling the rear end to get the perches moved, I would probably bite the bullet and put an 8 3/4 in it to gain the total length back to get it off the springs. As someone else suggested, you might try spacers. I hate those things because it just seems too Mickey Mouse-ish! I suppose if the spacers were hub centric, they may be more trustworthy.