Quote Originally Posted by B&D Marine View Post
I have not as it would be almost impossible to duplicate the exhaust, load, etc. as installed in the boat. Zoomers 5400 rpm's, Zoomers without "propellers" 5525, IMCO Gatlin's 5650, no mufflers 5800. 540 BBC 725 HP @ 6000.

Edit: I went back and looked at the results and changed a few numbers. Not sure if I was able to delete the first post if it shows up twice.
Nice thanks for the info.