Midget Dis-2 Programmable Race A Programmable Specifically For Use In Midget Racing MSD IgnitionBy using MSD's Pro Data+ software package on a Windows based PC, racers can program two different timing curves down to . 1 Degree per 100 rpm increments! Other features of the Programmable Midget Ignition include a rev limiter to protect the engine from overrev damage, a start retard and a circuit that monitors the battery supply voltage. The Programmable Midget Ignition is a complete electronic distributorless system consisting of a powerful