Trying to figure out how hard, how much, and what i would need to do to swap my 2.2L 4 cylinder in my 98' chevy s-10 to a 4.6L 6 Cylinder the truck right now is sittin at the shop waiting to be repaired... oil pump went out engine siezed up so debating puttin back a 4 or if i could get away wit puttin a 6 in wit out changing the tranny and computer any suggestions???