Thanks for the add here, looks like I've found the right place! '87 GMC R2500 Pickup 305/400 working on swap to 350/700r4 have everything that goes with it computer, harness etc. 350 is a very low mile #880 Vortec era shortblock which I'm assuming was a crate replacement having no numbers and has fuel pump provision, have a pair of fresh rebuilt to stock 062 Vortec heads but I do have a set of Beehive springs, Comp Retainers and Jegs 3/8 screw in rocker studs. Also have Jegs carb to vortec intake, fabbing a TBI adapter plate. Truck is a daily driver just looking for some good performance, still need to decide on a cam like to go roller. Looking forward to learning my way around Tunerpro. Any advice will be appreciated, Thanks again Tom