Crank Max Horsepower?

What is the Maximum horsepower that d15, d16a6, and d16z6 crank shafts can handle? Or where could I find these numbers? Thanks.
:)

The stock cranks are really really strong...i dont have an exact figure for ya...


gunnmen01

Import crankshafts are almost as strong as billet ones... As far as Im conserned anything under 500 Whp dont worry about it. If you are in excess of 700 Whp you need to have a billet one.

Sweet, thanks for the help guys. :D

Here are some tips, if your goin all motor then you wont be getting past 300 Hp I gaurantie it. So what you can do if knife edge the crank to cut down on the weaght and make the crank "Slice" through the oil better. I know a B series crank can take 500 Whp cause My frends brothers got that much and he drives around all day... I dont think there is a quality difference between the B and D series, just diff sizes.