We had one at our club that had 2s boosted and timed to the hilt,
It was ridiculous how fast it was,looked good fun thought,
The other 2s ran as per rules and it was clear that the 2s is easyer to drive,the weight ment nothing upset it,it was very flat and smooth,1s won the championship (me) but it was very close,
If you are running by the rules and your gearing is right the it sounds like they have their own rules