the only boat I'd consider upgrading to.

 

The 6 blade Herrings work together with the NO 6 drives for the hole shot as well as the top speed
I think they were a 36" pitch

 

One of these with trip Yanmar 480s/Arnesons set the Key West-Cancun-Key West time record last year or the year before.

 

Most of the 48 Fountains run Cummins diesel. Quiet a few of thsoe on the Chesapeake Bay.

 

Well they've marinized the 5.9 Cummins to 480hp but I think they left some power on the table. With the power I've seen from the Common Rail(700-1200hp) I see no reason a marine Cummins couldn't make at least 700hp. The 5.9 weighs very little more than a big block Chevy motor, and with a multispeed transmission, speeds close to 100mph are very possible, even in a big V bottom. The Eliminator 43Eagle had 480 Cummins motors and it ran over 80 without multispeed trannies.

 

Trim it high and let it fly... Pretty calm water but looked incredibly smooth and I bet trip 700's can drink a ton of fuel if you get on it. Would like to pics under the hatch and the transom.

 

I will look to see if we have any pics around of her, and surprisingly no she is not very thirsty tapped out she gets nearly 2mi per gallon which is incredible for any boat her size!

 

Wait wait...you're saying 2mpg@WOT w/3 supercharged gas motors???

No way.

 

I have 8.3l Cummins with 500hp each myself. I believe Cummins diesel top out at 600HP for Marine engines. Not sure if a multispeed transmission could take the torque of the diesels though.

 

Weismann transmissions are really strong...