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How many hours on 400's?

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Old 04-07-2017 | 09:07 PM
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I can only talk from what I have been on but triple 350 CC'S are poker run hanging with the twin 500 boat at cruise Speeds. Of course the blue motor boat can get up to a top speed above the CC but in the end they cruise the same with less effort by the CC even with the 6-8 people on board


Yes if you have a top dog boat like your self then really there is no match or comparison at all.
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Old 04-07-2017 | 09:54 PM
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I know that I don't want trip or quad anything. Don't care if it is a OB or not.

Nate you have a good point but today's closed cooled 500hp I/O's are reliable to.

I am more interested in seeing some 30-35 V hull NON CC sport boats with twin 400's. Like the cats are doing. It would be interesting to see how those would run.

Last edited by Wildman_grafix; 04-08-2017 at 07:10 AM.
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Old 04-08-2017 | 03:36 AM
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Originally Posted by Wildman_grafix
I know that I don't want trip or quad anything. Don't care if it is a OB or not.

Nate you have a good point but today's closed cooled 500hp I/O's are reliable to.

I am more interested in seeing some 30-35 V hull sport boats with twin 400's. Like the cats are doing. It would be interesting to see how those would run.
There's at least 20 flavors of those, if you count CCs

Mine would run 70 with 400s propped conservatively. A lighter 30 step hull would be good for 80 or more.
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Old 04-08-2017 | 07:11 AM
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Originally Posted by hogie roll
There's at least 20 flavors of those, if you count CCs

Mine would run 70 with 400s propped conservatively. A lighter 30 step hull would be good for 80 or more.
Ok fixed it.
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Old 04-08-2017 | 11:17 AM
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Someone in the islands must have put 400s on a 33 powerplay already.
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Old 04-10-2017 | 05:14 PM
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Originally Posted by hogie roll
Someone in the islands must have put 400s on a 33 powerplay already.
Not the same, but there is a 33 with a pair of 350sci's. It ran low 80's.
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Old 04-17-2017 | 02:50 PM
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Originally Posted by WARPARTY36
I have 500 plus hours on my 300's with nothing but routine maintenance. Also have 3-4 years of warranty left on them
Bubba Thats like a sore dick...Ya cant beat it !!
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Old 04-17-2017 | 05:25 PM
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And I am SURE several of those hours are because he Forgot they were running while Partying lol
Damn things are To quiet.
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Old 04-18-2017 | 09:37 AM
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There probably are a few hours from that like the first time we docked in KW, but I also usually leave one idling while anchored(with the throttle only button engaged so the prop can't spin) as a generator to keep the house battery up. The 300's at idle are .4 gph each. You can't run a generator for that little fuel usage and warranty is unlimited hours(and I don't have a generator).
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Old 04-18-2017 | 09:49 AM
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Originally Posted by WARPARTY36
There probably are a few hours from that like the first time we docked in KW, but I also usually leave one idling while anchored(with the throttle only button engaged so the prop can't spin) as a generator to keep the house battery up. The 300's at idle are .4 gph each. You can't run a generator for that little fuel usage and warranty is unlimited hours(and I don't have a generator).
I do the same
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