Rob,
I'm just posting for Jon who is putting on the event. He gave me this link as far as the rules....
http://sandpitdragway.proboards59.co...ay&thread=1133
And here is the schedule as well.
http://sandpitdragway.proboards59.co...ay&thread=1162
I would think you would be fine with the button on the wheel but as you know it is pure footbrake with no rev-limiter. That's what they will really be watching for.