Well this summer me and my father are going to pull the motor out of the blazer. I have worked/replaced everything on the truck pretty much except the engine, so this is a big step for me but I feel pretty comfortable. I have about 2000 bucks to spend in effort to get the most bang for my buck but not to sure on what to do, opinions please? Im really looking into vortec heads, but from what i have read, it seems like a lot of complicated work? I really want alot more power so im contemplating on saving up longer and dropping in a 383 or something.Its not really a dog but I would like to have some more grunt and be able to use 4x4 hi.