If it does I'm sure Nicky will just dial it back a bit. How come the ed30s can be mapped to 300bhp on a stage 1 and have no problem with their clutches . Are they different?
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Because it's torque that slips clutches rather than peak power.
A Stage 1 ed30 might 'only' make 300-310lb/ft peak torque, but the torque doesn't drop off a cliff at high revs like k03 cars, so the k04 ed30 makes higher peak power.
If a car makes 300lb/ft at 5252rpm, it'll also make 300bhp at 5252rpm.
K03 cars at Stage 2+ can indeed make 350lb/ft peak torque just like a 2+ k04, but by around 5000rpm or so it's tailed off massively, so they'll only make 280 odd bhp peak power.
Another consideration is that a k03 theoretically spools up quicker than a k04, so that 350lb/ft hits the clutch hard.
All that said, a 2+ k04 will kill clutches just as readily as a 2+ k03.
Talking about peak power, or peak torque, is only half the story. You need to look at the curves to see why things happen.