Looking to put a heat and air unit in the Plymouth pick up. Anyone running the v pump or are they a waste of time? Working on a budget so if there are any deals out there post them up!

56 Plaza 63 D100 step side 67 Coronet, 68 Roadrunner, 69 Super Bees, 69 Coronet 500 convertible, 70 Roadrunner Post, 79 D150 360, and a severe case of Mopar a,d,d