its a k5 its going to be strictly a mud machine 454, 44s, you get the deal. i want the rad in the back so i dont get as much mud in it. ive got a diesel rad from and chev pick up, gonna be to electric fan pushin air through it. i was just wonderin if the stock pump would work or do i need to go electric? ps i have no idea how this whole site works, and i guess i should have been a little more specific the rad will not be behind the seat it will be in the bed? come on guys im not the silly??? or iam i??