Nick, what do you think mine will do with 530HP (crankshaft)?
Does your Ext. box make that much of a difference?

I would hazard a guess thats without accesories or marine exhaust?

He did, but the 572 made a lot of torque and peak hp wasn't real high. Anything over 5300 rpm could guarantee the drive was broken. I believe he had a 32p bravo 1 labbed and was on the limiter with ease. It should definitely be faster than what I was saying just busting chops. Glad to see some good power back in that hull!

The x dimension in his boat is a lot higher than most of the others. If you have a standard build boat I believe you're drive would end up to deep and slow the boat down. Iirc his even had a 1.5" spacer in the drive even though the box allows for higher drive height.

50? maybe:bong:

hopefully high 70's maybe 80, not sure. The box, I have been told is good for 1-2 mph but makes it handle way differently.

I have the KE cast aluminum long headers, so I dont think I am going to loose much there and with all that torque....accesories. I know the number will be different once installed and hooked up and spinning a prop, but at least I wont be playing the guessing game when trying to prop it to the right rpm. That was my main reason for dyno testing.

Timing. we started out at 22* and autolite 23 plug and only made 650. then went to a colder NGK plug and 26* then made the 693. Then 29* didn't show any improvement as stated before.

Bad ass dude.. Thats some TQ for a Bravo.. I have an XR upper for sale :party-smiley-004:

Just curious.... do you have any fuel flow numbers on your dyno sheet?