After Installing my Pro-Flo 4 fuel injection kit that "included in the kit" a distributer supposedly made by MSD I am unable to set my base timing accurately because the mark is jumping and scrolling all over. I did set it old school by rotating the engine to the 12º BTDC and lining up the sensor thing in the center of the cut out in the wheel in the dizzy. While I had the intake off I upgraded the roller cam from a Comp XE264HR to a XE274HR. Don't have a clue of the difference other than more lift on the newer cam and the car sounds very different now at idle. I'm 99% sure I got the chain right and I pulled the dizzy today to see if there was gear carnage and there wasn't. Looks to be a melonized gear judging by the smoothness that looks like my melonized gear from the old dizzy. I changed the coil to one listed as working in the installation instructions. My timing light is a recently purchased inductive one, on the cheaper side but worked fine with the old setup. Plug wires are run properly to prevent crossfire. I can lock the timing in the tuning app and rev the engine to 3000 rpm and it doesn't smooth out enough to get an accurate reading. I don't know anybody with a decent timing light and you can't get a loaner from the parts stores. Any ideas?