Super, I have brought the jets to 64, the smallest in the Holley kit. Reduced the idle adjustment to one and half turns out. Spark at plugs look weak, therefore the question about the voltage at the starter relay. I think the starter relay is not set up correctly. On my 71 Challenger the relay has the starter wire to the ballest resistor on the same terminal as the wiring from the battery. I need to go back and check the wiring and voltage in the whole front end of the other cars I have