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How fast is your V Hull (try to be honest)

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Old 06-11-2005, 11:01 AM
  #21
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Default Re: How fast is your V Hull (try to be honest)

Quote:
Originally Posted by RedDog382
Still impressed with this one Russ! Haven't seen another stock 311 post these numbers.

Three reasons, at least I think:

Dropping the silent thunder box and losing the stock Merc exhaust units dropped over 500 lbs of dead weight RIGHT over the props. Back of the boat now sits at least two if not three inches higher in the water. And our boats are extremelly azz heavy with the drives set deep. I have noticed since the changeover, it does not jump up on plane as before and if I'm not careful I can cavitate the props. Never did that before. Reason: props higher in water than before.

I HAD to pick up some HP gains, even minimal, by going to the EMI Thunder exhaust.

Hydro Quad IV props lift that heavy azz stern out of the water.

Combination of all above decreased drag dramatically. That's where I think I got the speed increase. When I bought the boat bone stock with the 3 blade Mirage props, 66/67 was the best I ever could achieve.
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Old 06-11-2005, 11:13 AM
  #22
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Default Re: How fast is your V Hull (try to be honest)

1979 30 foot Scarab
2 natural 540's @ 720 h.p. and 688 ft. lbs of tourqe, huber trans's, raised TRS drives. 15.5 x 26 pitch Intimidator quad 4 x props. Blue printed 8500lbs. hull 89 mph at 6000 rpm. Some new tricks for this year so maybe a couple mor mph. Not bad for an old barge.
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Old 06-11-2005, 11:22 AM
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Default Re: How fast is your V Hull (try to be honest)

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Originally Posted by Fine509
1979 30 foot Scarab
2 natural 540's @ 720 h.p. and 688 ft. lbs of tourqe, huber trans's, raised TRS drives. 15.5 x 26 pitch Intimidator quad 4 x props. Blue printed 8500lbs. hull 89 mph at 6000 rpm. Some new tricks for this year so maybe a couple mor mph. Not bad for an old barge.

No kidding... Bet you surpise a whole bunch of people with that hauler.......
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Old 06-11-2005, 01:20 PM
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Default Re: How fast is your V Hull (try to be honest)

28' Eliminator Eagle, 525EFI, Gibson Exhaust, 26p prop, half tank, 4 people, boat is approx 4500 lbs (per sales guy).

At around 4900 RPM, 69-70MPH. Need to prop her a bit better!
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Old 06-11-2005, 01:52 PM
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2001 46 Cigarette w/ triple 600 efi's, 89.3 gps.
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Old 06-11-2005, 04:14 PM
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Default Re: How fast is your V Hull (try to be honest)

New boat will be here in about 5 weeks. '06 42X w/ 600 SCi's, sporty's, herrings. Should see a solid 95.
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Old 06-11-2005, 04:32 PM
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Default Re: How fast is your V Hull (try to be honest)

99 Phantom with 500 hp's it ran 86 radar. Just added a few goodies now 625 per side. Should run upper 90's. This 34 Phantom May not be as fast as Will's 30 but I am trying.
Will ;
I plan to spin this motor (502 CID) 5800, with the 28p 4 blade Hydramotive props, 1:50 ratio drives will that be the right combo ? What do you think I will get for top end in Fresh water? Maybe now I can get that Phantom Shirt. Only joking.
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Old 06-11-2005, 04:49 PM
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Default Re: How fast is your V Hull (try to be honest)

Quote:
Originally Posted by RedDog382
Still impressed with this one Russ! Haven't seen another stock 311 post these numbers.
89 311 454mags .. 23 hydros 68 gps ..just me 1/2 fuel ....

we'll test Outlaws 74 one day ....
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Old 06-11-2005, 05:03 PM
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Default Re: How fast is your V Hull (try to be honest)

1998 22' Scarab with slightly modified 454MPI
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Old 06-11-2005, 06:08 PM
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Default Re: How fast is your V Hull (try to be honest)

87 Scarab Panther, 8500 lbs., Bravos on Stellings boxes, 28P Hering 5-blades, 107.0 MPH
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