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Old 08-07-2003, 06:53 PM
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Black Thunder owners, what top speed do you get and what power are you using. I'm especially interested in horsepower ranging from 2-500's to 2-700's. Thanks.
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Old 08-07-2003, 08:36 PM
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Im not an BT owner, but the twinn 525 46 I was on at the Miami show, full of gas and 4 people did 72, hope this helps, Jeff
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Old 08-07-2003, 09:21 PM
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Thanks Jeff. That's what I'm looking for.
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Old 08-08-2003, 04:08 AM
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A year or two ago there was two test articles on Black Thunders. I believe Powerboat did one and I cant remember the other, I will look when I get home.

Anyway, I remember reading twin 500EFIs got 73 and the reason I remember so well is because the other test article said triple 500EFIs only got 74 mph.
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Old 08-08-2003, 07:43 AM
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Mark, that seems odd. I have an odd case also. My Black Thunder has 2 engines that should make more than 600 hp if healthy but the boat only goes 69 gps. And that's with extension boxes and labbed 24 bravo 1's. I'm not expecting too much am I?
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Old 08-08-2003, 07:51 AM
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Quote:
Originally posted by JASSMAN
Im not an BT owner, but the twinn 525 46 I was on at the Miami show, full of gas and 4 people did 72, hope this helps, Jeff
You know THATS impresive. A 46 ft VERY heavy boat going over 70 with just a 1000 hp. my 42 Sonic goes 73 with 1500 hp.
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Old 08-08-2003, 08:43 AM
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6 people, and freshly full of gas, that boat at the Miami Show this past year; did 70. We were on it too.
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Old 08-08-2003, 09:13 AM
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A buddy of mine has a 43' with 800sc's at it tops
out at 86 mph.
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Old 08-08-2003, 11:21 AM
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Huey, thanks for the info. Where does he keep that boat?
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Old 08-08-2003, 11:31 AM
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Steve David would be a good one to talk to.
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