Originally Posted by breckrider60
The 4.3 vortec only has around 200 hp vs the 165ish the 3.4 gives me from what ive researched i could be wrong. For the headache i dont know if that would be worth putting in the 4.3 might as well put the 350 in?
The 5VZ–FE engine puts out 190 HP @ 4800 rpm the same as the 4.3 vortec.
Good luck with your decision.