dyno curves for stock Merc power?

[ECeptor]

Does anyone have dyno curves for the following stock Merc engines?
- 454ci, 7.4L Bravo (330hp)
- 454ci, 7.4L Mag (365hp)
- 502ci, 8.2L Mag (415hp)
- 502ci, 8.2L HP500
I've searched the net over and came up empty. It would be much easier to discuss the performance upgrades with a good documented dyno curve of the starting point!

[Panic Button]

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http://i13.ebayimg.com/03/i/00/96/ee/33_1_s.JPG