got the coils, wires, plugs, and coil wire modification installed. also installed a removable baffle to help with the flow in this crappy exhaust. fired it up and it is finally running rich! also all cylinders are firing like they should. now i just need to go a jet size or two down to get the A/F just right then sync the carbs. i do have a question though. i was wondering what will cause the motor to rev up and down at idle when not touching the throttle?