383 chevy 2pc. rear main inplace of a 1pc. rear main
 

1990 Chevrolet K1500 Silverado 8Cyl5.7L - Engine:cool:
2 bolt rear main block in place of a one peace rear main block in 90 K-1500 w/ 5 sp. manual trans ,clutch throw , T.B.I.s
I'm Trying to engine swap a 2 pc, rear in place of a 1 pc with a 5 sp. NV 3500(get rag)transmission.:eek:clutch to crank distinctions, and would like to maintain the stock tbi set up. int, and exh. manifolds hook ups bolt patterns on tbi heads compared to the early model heads,:confused: and other related swaps ,with . Any help would be appreciated