1970 chevelle
28x10.5 on 10inch rim 5.5 backspace
28x10.5 on 8inch rim 4.5 backspace
or your suggested drag racing combo

That tire is really too big for an 8" wheel.

Your close with the 10" wheel and the 5.5" backspace. We usually tuck them under a little more than that, but if you don't lower your car a whole lot, you might be okay.