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Old 12-12-2007, 06:24 AM
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look at post 16 . he stated mid 80's with more left on a 575 boat

Last edited by stainless; 12-12-2007 at 06:52 AM.
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Old 12-12-2007, 06:26 AM
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Originally Posted by Lofty
We have a friend that keeps one here in the Bay Area and runs it mostly on the Delta and Bay. I've got some good seat time in the boat in varying conditions. He's got 575's in it and the best I've seen for speed is mid 80's. I think it's got more left but on the bay you just can't run it harder. We like the boat and my wife loves it. Comfortable and stylish.
check it out
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Old 12-12-2007, 06:30 AM
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Originally Posted by TomFTM
No problem.. I think we all were suprised how fast you were going...
this is from someone who actually saw the boat run ..not just theorized on a computer
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Old 12-12-2007, 07:16 AM
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All I can report is what my cousin's runs. mid 70's with 525's. This boat was new last year. 5 blade Maximus props, sorry, don't have the pitch. When I ran her, I could only get 70 mph. These are numbers from the GPS nav unit mounted on the boat.

He knows a little about speed boats too running these for the past 10 years
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Old 12-12-2007, 07:26 AM
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i know brett from bblades very well we've discussed props on different boats extensively.. he sent me a set of un labbed maximus 5 blades to try on the 343 and we found that mine actually ran better with the bravo ones. as stated previously diff boats .. even with the same propulsion can vary quite a bit what i'd really like to try is a set of cnc 5 blades
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Old 12-12-2007, 07:28 AM
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sweet boat by the way
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Old 12-12-2007, 07:34 AM
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Ummm, are we really having an argument about a Cobalt? You can tell winter is here.


We had one here at the Tennessee River Rally last year. Good looking boat that ran very well. It had 525s and seemed to do just fine. It was the first one I had seen up close.

I have no idea about speeds. He started off strong but then hung back. I did not see him after the first card stop till the run was over.
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Old 12-12-2007, 08:38 AM
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good point
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Old 12-12-2007, 03:34 PM
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according to todays "someones been naughty in P1 " post 525's can dyno at 560 to 570 hp... hmmmm
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Old 12-13-2007, 05:39 AM
  #90  
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Originally Posted by drstevethiele
blown income , do you remember what props and what rpm's the 600 boat was running?
32 bravo 4 blades labbed 5200 struggled to make 80 needed some more prop Dial in also a low water pickup (hull mounted) tended to starve for water at that speed

Last edited by blownincome; 12-13-2007 at 05:44 AM.
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