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Fountain 29 2011 700sci

Old 03-07-2018, 09:59 PM
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Default Fountain 29 2011 700sci

i own the last fountain made from fountain factory in 2011 since 4 years right now it came originaly with 600sci and ITS BOX xr drive with shorty ssm lower maximum 5 blade 28 pitch.. i chamge programationbox computer and wheel upgrade stade 700sci.. run 83-5 i want to find way to reach 90 ! X ratio too high? Swap xr lower? Switch to 4 blade biggest pitch ?? Help me please!!
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Old 03-07-2018, 10:45 PM
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I would think you could be running faster than that. I have a 05 29 575 and run 81-82. Running stock XR with 30p Bravo 1... the Maximus 28 on the boat runs about 77-78. I think the 5 blade is better everywhere except top end. So if you want too end- Id say put a 30-32p Bravo 1 on it.
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Old 03-10-2018, 02:43 PM
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Originally Posted by precisiondetails View Post
I would think you could be running faster than that. I have a 05 29 575 and run 81-82. Running stock XR with 30p Bravo 1... the Maximus 28 on the boat runs about 77-78. I think the 5 blade is better everywhere except top end. So if you want too end- Id say put a 30-32p Bravo 1 on it.
Thanks !! I will try xr long lower and 4 blade props .. think im gonna be able tonget good on plane with all the power i got..
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Old 03-10-2018, 07:15 PM
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Be careful getting that one on plane with lots of power. 29 Fountains are pretty tough on drives. Baby it and use lots of tab to get on plane.
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Old 03-11-2018, 03:53 AM
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what gear ratio in drive? i am thinking 1:36 gear and 28 or 30 B1 maybe?
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Old 03-11-2018, 10:47 AM
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Well mine is a 1:50
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Old 04-18-2019, 01:07 AM
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Default Fountain 29 2011 600sci upgrade 700 programation looking for new max5 prop

I wont advice for appropriate prop on my 29 fever run 78 presently with maximus 5 blade and ssm bottom with ITS box extention . I know x dimention is high but dont know if its 19 or less ... expect to reach 85 with mupgrade 600sci computor bx and wheel chamge 2 years ago. Love the boat but enable to set prps drive for good launching and top end . Lot of choice about pitch size of the news max 5 short tube 15" (inboard recommandation size) about 28 to 34 . Anywone can help me about appropriate sise of props or spacer
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Old 04-18-2019, 10:02 AM
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I'd call BBlades
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Old 04-18-2019, 03:04 PM
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See how fast does a single 525 29' Fountain runs if in the 80's copy set up? A Bigger prop with your power that may be the trick for top speed you want ??
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Old 04-18-2019, 06:49 PM
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What exact did you change for 700 update?only ecu programm and smaller pulley??
To make it a real 700sci it needs also a cam change when use oeginal merc 700 ecu!
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