I own a business that has specialized in 67 - 87 Chevy & GMC trucks for 20 + years. I have a 1987 K-30 that I bought in 1990 and would like to convert it from a SM 465 to a NV 4500. I have not parted out a truck with a NV4500 yet and do not know much about them. I would like to find out where to...