Get an early truck block that can stand a .090 overbore that has a steel crank and run these pistons at zero or positive deck. Sportsman Racing Products 345794 . Along with all the things Rat Bastid mentioned. I myself would probably be considering some W2s.
W2's would be a bit more than I'd care to spend on this particular project. The other thing is I'd use the engine I already have, which is the '85 roller engine.
