heres my suggestion:
-b16a rods, you'll have to notch the block just a little no big deal, lowers compression, with the LS rods you will raise a little
-Toyota 1G-GTE pistons (factory forged) 70 bucks each
-machine work for piston to work with rod
-Z6/Y8 head, Y8 manifold, b16a throttle body...