Excellent news Grant.

For those unfamiliar with power tool drag racing, the faster machines usually have a 2 to 2.5 kWatt angle grinder and circular saw blades for wheels (to get the grip - the track is plywood).
Alternatively, you can go for a couple of smaller ones to save weight, like Nick did.
They are powered off a standard mains plug, so you are limited to 13 Amps.

Nice and simple to build.

John