hey im new to this sight and have herd great things from other members o how helpfull som members can be. I got a 98 chevy singlecab truck that has a 4.3 vortec and 4l60e trans. my question is how hard would it be to swap the 6cyl for a 5.3 vortec?? ive herd that you can use the stock radiator and some other stuff but i need to know mor details before i do a swap to my truck.