Let's see here. GNX or Gran Prix body bushings, jounce bars off a G body Cutlass Supreme, frame lower connecting bar of a G body Grand Prix, radiator support to front fender bars of a G body Grand Prix, Aluminum bumper brackets off of a V8 Regal, aluminum radiator support, Grand Prix rear frame brace, S10 rear wheel cylinders, '84-'85 TR Hydroboost brake booster and master, 2nd gen 2WD S10 front spindles with bigger rotors and 2 piston calipers, front Pontiac 3rd gen trans am wheels, S10 4WD 2DR rear swaybar that can be mocked up as a pro touring rear bar, 34-36mm IROC front swaybar, 3rd gen F body aluminum radiator, you can get spare ignition modules and coils off of other 3.8 cars from the era, conversion to 2nd gen 3.8 ignition coils, 3 bar MAP from a Sy / Ty, 145mph speedo from a Rivi??, I've seen 4th gen F body seats swapped in, new GTO interior swapped in. That's all that comes to mind.