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Any 1 now this boat Tommy Harts 311 (TRAMP)

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Old 12-11-2010, 10:42 AM
  #21
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Originally Posted by pgolder View Post
how much hp would it take to get it to 80 cause it seems that the 420s 311 already does 70 with 25s are there any nonsupercharger 311s that do 80 and what prop?
There are 2 that come to mind.

OFFTHEFRONT's 311 runs 78 with 600HP 496's i believe a Bravo drive boat running 28 or 26 pitch props

Mine runs 77 with only 453 HP but with Surface drive.
I'm running 17.5 x 28 5b Merc racings.


If you have 525 Hp it should run 75 i would think

Last edited by Car Biz; 12-11-2010 at 10:44 AM.
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Old 12-11-2010, 11:05 AM
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Originally Posted by bulldog500 View Post
ray must be mistaken its been awhile i was toms best friend for over twentyyears and i never heard the ozarks story or that motors were over 500 hp i ve been in that boat many times i could beat it at 72 although his speedo read more. if they are 600 hp why did they only dyno at 525hp on 110 fuel has in previous post i would also guess that dyno headers make more power than headers on the boat.
TB?
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Old 12-11-2010, 12:12 PM
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hey jay
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Old 12-11-2010, 07:28 PM
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At 70 gps my speedo is buried....I'm guessing if i was showing 70 on the vdo i would actually be running about 65 or maybe a little less
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Old 12-12-2010, 10:14 AM
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Originally Posted by pgolder View Post
how much hp would it take to get it to 80 cause it seems that the 420s 311 already does 70 with 25s are there any nonsupercharger 311s that do 80 and what prop?
A guy that I boat with has 540's in his 311 bravo boat, and I think they dyno'ed 620 something. His boat ran 82 on gps and they are putting aluminum heads on the boat this winter.

Last edited by The Get Away; 12-12-2010 at 10:16 AM.
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Old 07-06-2016, 09:43 AM
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[/URL
]here's a video link of the "Tramp" fly-by

https://youtu.be/z_ELRLeo-lA

Last edited by pgolder; 07-06-2016 at 09:47 AM.
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