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Guess how fast this boat has gone

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Old 08-15-2002, 11:22 AM
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Default Guess how fast this boat has gone

Kind of board at work and want to see how good you guys are.

Here's the boat:

96 31 Scarab "Thunder" it has every option, shore power , fresh water, pump out head, full hydraulic steering....etc.

1:5 Bravos

Here's the power:

(2) 350ci 2 bolt mains, stock crank Lunati rods, Stainless Marine exhaust, non ported Canfield aluminum heads, with big solid roller cams. They have just been freshened after 350 hours of use.

Guess how fast
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Old 08-15-2002, 11:26 AM
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how much hp?

what kind of bottom?

boat weight?

my guess(provided there are no curves thrown my way) is 69mph.
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Old 08-15-2002, 11:26 AM
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how fast does a sea tow boat go??

Last edited by audacity; 08-15-2002 at 12:57 PM.
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Old 08-15-2002, 11:28 AM
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Default don't we need a little more info?

Based on a slightly modified p-29 running 78-80 with about the same engines/power,and a 31 is only 3-5 mph slower with the same power, I'll say 75-77 best. 73 on it's worst day
 
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Old 08-15-2002, 11:32 AM
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well you have to remember the 31 scarab is basically a 33 scarab without stepa and intergrated platform. Plus I have never seen a 31 scarab with smallblocks? I say about 60

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Old 08-15-2002, 11:32 AM
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First the motors have never been dynoed so your guess is a good as mine.

Second, a 31 Scarab is a deep V , no steps or pads I have no idea how much the boat weighs


Third , Audacity what lanquage are you speaking ?

Fourth , this is just for fun

Frank , you are pretty close

By the way Joe that would be my boat (at the moment) going as fast as the sea tow boat

Last edited by 26scarab; 08-15-2002 at 11:35 AM.
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Old 08-15-2002, 11:35 AM
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80 on the Interstate, but much slower around town.
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Old 08-15-2002, 12:15 PM
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Okay you guys ,
so far this boat has gone a best of 70.4 GPS with 5 people and a full tank of gas . And he is still prop testing , 72 is not out of the ball park .
I think it's pretty impressive for small blocks
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Old 08-15-2002, 12:22 PM
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hell yea that impressive for smallblocks! Throw some blowers and extention boxes on it and....muwahahaha!!!
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Old 08-15-2002, 12:34 PM
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Some of you must be quoting speedometer speeds, because its very unlikely that this combination would even be in the mid 60 mph.

The P-29 Scarab is an entirely different boat with the black hawks, and probably 5-6 mph faster than an equivelent 29 Scarab with small blocks and bravo's. I believ a stock P-29 only did 75 + or -, a 29 Scarab only higher 60's (maybe) on a good day, therefore the 31 thunder with 350's has to be high 50's low 60's. Audacity probably wasn't that far off with his comment.
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