i got a 4.3 in a 94 2wd (not a vortec... but looks like one.... not the stanard 4.3, think its a "Tahoe" package).i wanted to put a turbo in there to juice it up a little, i was wondering what all i needed to do to the engine before i can do this. also, someone told me that i had to put an intercooler and a new manifold in before i could put a turbo in, are they 4 real?