Originally Posted by Goingnowherefast (Post 3388024)

I can't speak much for the autoX side of things, but in the time attack/time trials scene most sanctions in the US do not class cars based on engine size. The reason for this is simple, you can't compare two engines based on size only.

For instance,

F20C - 1,997 cc - Output: 234 HP/155 ft lbs
2.0 L SkyActiv-G - 1,998 cc - Output: 155 HP/148 ft lbs

One engine literally makes 79 more horsepower yet they are classed the same. I think really any sanction using displacement to class cars might want to get with the times haha.

Originally Posted by Purist (Post 3388136)

So go off stock HP numbers? Or actual? Dyno the cars as part of scrutineering [emoji16]