Originally Posted by Pyroproblem
With 2mm bigger valves and supposedly equal to or better than ported B series AND a big azz turbo, +160hp is definately attainable...Not to mention the K24's have even more displacement (more airflow)..All those guys were running pretty substantial turbochargers too...
As much as we love B's, we gotta understand, B engines are no longer the best Honda has to offer

So by these claims the K is making 40% more power then a B-series. That is alot. In this thread someone also says they got 560whp out of one @17lbs with a GT35R. Sorry but i find that hard to believe.