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Old 12-11-2008, 07:03 PM   #1
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speed 25 daytona

I just dynoed 509 bbc 628 hp 600 fpt. This weekend were installing It into my 25' daytona bravo one 1.5. Need help with prop and estimated speed
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Old 12-11-2008, 09:27 PM   #2
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Wont really matter much unless you upgrade to a XR drive at least. That bravo will be lucky to make it past prop testing.
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Old 12-11-2008, 10:34 PM   #3
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Wont really matter much unless you upgrade to a XR drive at least. That bravo will be lucky to make it past prop testing.
I must be very lucky. My buddie is running 540/620 for 2 years on a 25 sunsation, with a bravo one 1.5/28 lab finish @5500 . and I had a 28 donzi also power by 540/580 ran that for 4 years ( got to go easy)thay last!
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Old 12-12-2008, 01:09 AM   #4
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i would try a 30 pitch bravo one four blade , should put you in the mid 90s
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Old 12-12-2008, 08:10 AM   #5
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FORMULA
My former 25 Daytona was running 650 hp thru a Bravo for 7 years, without a single problem. I was spinning a labbed 32 pitch, Bravo 4 blade, and the boat would run consistantly between 95 to 98 mph. Wish I never got rid of it.
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Old 12-12-2008, 08:52 AM   #6
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with a 1.5 gear, I would try a 32. Mine stock with w 500efi and a 28 B1 would pull 5200rpm so I think with an extra 150 hp, you should be able to pull a 32.
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Old 12-12-2008, 02:30 PM   #7
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I would try a 30 or 32. I bet you end up with a labbed 32 or stock 30. I have a friend with a quad rotor motor putting out over 1000hp in his his 25 foot daytona and his stock b1 handles it just fine. Its all about the drive habits and weight.
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Old 12-12-2008, 03:35 PM   #8
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Originally Posted by FRMULTR View Post
My former 25 Daytona was running 650 hp thru a Bravo for 7 years, without a single problem. I was spinning a labbed 32 pitch, Bravo 4 blade, and the boat would run consistantly between 95 to 98 mph. Wish I never got rid of it.
Thanks for that, love to here them numbers
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Old 12-12-2008, 03:38 PM   #9
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thanks guys I'll keep you posted
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Old 12-12-2008, 04:54 PM   #10
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1996 25' Eliminator Daytona
I have a 25' Daytona with a 572 NA motor 730hp and a Bravo XR spinning a 28p prop I see just under 100. I like to be able to ease it out of the hole. A big prop 30 + is going to be slow out of the hole but fast on the top end...
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