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tstoutie
MMT Member
Joined: Sat Sep 21, 2013 8:30 pm
Posts: 29
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 18x54 gtb porpoises I have a brand new 18x54 pointed bow gator tail extreme series boat and if I run it over 3400 Rpms it starts porpoising bad. Any advice on what I should do or what's the cause of it.
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| Sun Nov 23, 2014 1:53 pm |
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Howdy
MMT Pro Member
Joined: Tue Jan 17, 2012 9:50 am
Posts: 359
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Re: 18x54 gtb porpoises Try moving the pin on the mounting clamp to a different hole
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''It's just 90 foot you're gonna die if you fall 20 foot so whats another 70 foot'' Jason Humble climbing school 12'
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| Sun Nov 23, 2014 3:54 pm |
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Got Dux
MMT Pro Member
Joined: Mon Feb 14, 2011 11:12 pm
Posts: 103
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Re: 18x54 gtb porpoises How is your weight distribution and load?
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| Sun Nov 23, 2014 4:31 pm |
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tstoutie
MMT Member
Joined: Sat Sep 21, 2013 8:30 pm
Posts: 29
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Re: 18x54 gtb porpoises Me driving and I had my buddy on the front deck still porpoises
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| Sun Nov 23, 2014 6:07 pm |
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rjrobin2002
MMT Pro Member
Joined: Tue Nov 04, 2014 1:13 pm
Posts: 51
Location: Bossier City, La
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Re: 18x54 gtb porpoises Check the transome angle. They may of screwed it up, needs to be 20 degrees.
I am guessing you have trimmed it all the way down while driving to try to make it stop?
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| Sun Nov 23, 2014 6:22 pm |
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calphil
MMT 1000 Club
Joined: Sun Feb 26, 2012 10:49 pm
Posts: 1715
Location: Kingwood,TX
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Re: 18x54 gtb porpoises Transom angle has nothing to do with boat porposing ...
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1744 WC Custom
25 GTR
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| Sun Nov 23, 2014 9:05 pm |
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270Handiman
MMT 1000 Club
Joined: Thu Dec 29, 2011 10:46 pm
Posts: 2342
Location: Mandeville, LA
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Re: 18x54 gtb porpoises What hole is your trim pin in?
That's a big ole boat to be proposing at speeds just over 20 mph.
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| Sun Nov 23, 2014 9:11 pm |
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Paulox86
MMT Pro Member
Joined: Mon Sep 02, 2013 4:02 pm
Posts: 371
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Re: 18x54 gtb porpoises Get a fatter buddy.
Have you run in shallow vs deep water to see if it changes?
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| Sun Nov 23, 2014 10:38 pm |
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dixieducker
MMT F.E.
Joined: Sun Sep 01, 2013 9:40 pm
Posts: 888
Location: mobile alabama
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Re: 18x54 gtb porpoises The new GTRs come with the pin in the second from the top hole and that shouldnt make it porpoise. Try moving the pin down one hole.
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1748 Cottonmouth Hybrid Custom with a 2015 35GTR
7 yr old Boykin Spaniel
One Badazz wife that that hunts like a champ
ROLL TIDE!!
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| Sun Nov 23, 2014 10:57 pm |
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