Separate switch for igniton, crank up to spin motor then activate ignition to fire
Some of my set-ups have a shim as thick as this.
https://www.summitracing.com/parts/qti-rm-6024But more are thin which I used to make till I found these.
https://www.summitracing.com/parts/jpt-92472http://www.jegs.com/i/JW-Performance/564/92472/10002/-1They will direct ship to you so if you need these they usally come pretty quick. I'm going to order another kit as I'm getting low. If you call JW Transmission they can give you more info.