Our local track has run 19 Turn 1/12 scale last year and we have started again this year.

I agree that the Komodo is very good, the Checkpoint money (with the right gear is also good) You should also include the Corally Black Spec 19 and the Atlas based motors.

The key to all of these is the gearing. Some have a very small sweet spot, some like the Komodo have a wide sweet spot.

As to the speed. On our track, 19 turn is only 2-4 laps under modified and 6-8 laps faster than stock. This is based on the layout.