Hi all i have a disi . model tiger cub and have a Boyer mark 3 ignition for it , i know now it might not be ideal for trials but they were being sold off at the end of a show and i naively bought one,,,any way,,does anyone have experiance with wiring them , i've used an O.T.J. diagram off the web using a lucas capacitor with new coil and new alternator but so far no spark,,any ideas