Well, I'm not planning on going above 400 whp on the stock engine, however I see a lot of people saying the engine is only good for 400ish and then you must forge.
Seeing threads like this : http://m.my350z.com/forum/showthread.php?t=156639&styleid=69
Makes me wonder...where does this information come from? Who said its only good for 400? Does everyone blow up over 450? Searching I find very little on blown motors.
I know really it's the torque that destroys the VQ, but again, that's only what I've heard.
Am I being stupid? Is there a dead answer with loads of technical jargon that makes cranking up your horsepower to 600 an instant bang?