Ok, so I figured it out. If i use spindles from a pre 99 2wd, it should all bolt up. I also landed a Ford 9 inch that i will 4 link that has my 5 lug. So I'll be getting some decent weld wheels too.
1999 silverado rcsb. 6.0L and. T-56, Hurst short throw, 4.11s, auburn limited slip, 3/4 drop, Nelson tuning, Texas Speed 233/239 .595"/.603" Camshaft, Kenwood everything, electric fans, custom made hood, custom tailgate, magnaflow 3 inch true duals, hooker headers, and too much money.
Soon- wheels and tires, Ford 9 inch with 5.13 gears.