Willy97chevy
Newbie
Okay I'm new here and I've owned several short wife's and ext cab V8 trucks, but I'm in a delimna now I'm doing a v6 vortec to a v8 vortec swap. I'm done with some important questions: 1st, ecm to the V8 is still making 6 cylinders instead of 8 like it should be ...why????