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skinnerton_outlaw
MMT Addict
Joined: Sat Oct 30, 2010 1:17 pm Posts: 578 Location: Monroeville, Alabama
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 Issue is boat porpoising
Or to be exact, bouncing up and down. When I'm by myself the front of my boat porpoises like crazy. I have my gas tank up front, decoys, waders, cases of shells, and some more shit in the deck storage and still does it. I have to trim almost all the way down to run smooth. I have done everything but put sand bags in the bow, anyone got some suggestions, or would the sand be a good idea?
_________________ Uncle J 17x54 GTR 35
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Tue Dec 13, 2011 10:10 pm |
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med
MMT Elite Member
Joined: Wed Jan 14, 2009 8:25 am Posts: 6432 Location: the dark side of the moon
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 Re: Issue is boat porpoising
Put some wedges under the rear and I bet you would be good to go.
_________________ 1850 & 36pd
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Tue Dec 13, 2011 11:32 pm |
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skinnerton_outlaw
MMT Addict
Joined: Sat Oct 30, 2010 1:17 pm Posts: 578 Location: Monroeville, Alabama
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 Re: Issue is boat porpoising
10-4, I'm new to all this, first rig so I'm still trying to figure things out. I couldn't be happier with the boat, I'm running 31 mph with me and all my gear at around 3500rpms so it's not really a big deal I'm just wanting to see how fast it will actually run.
_________________ Uncle J 17x54 GTR 35
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Wed Dec 14, 2011 12:46 am |
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eljefe
MMT Elite Member
Joined: Thu Jan 13, 2011 7:32 am Posts: 5210 Location: Beaumont Texas
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 Re: Issue is boat porpoising
What boat and motor are you running?
_________________ You can't see the sunrise if your eyes are closed. dying aint much of a livin....
Black ops IITX marshstalker
1840 WC www.wccustomboats.com fuel injected 25 GTR
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Wed Dec 14, 2011 6:21 am |
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WestEndAngler
MMT Moderator
Joined: Thu Mar 05, 2009 9:11 am Posts: 9143 Location: Houston | Surfside
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 Re: Issue is boat porpoising
_________________ GTB 1860 w/ 2019 GTR40XD-HO
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Wed Dec 14, 2011 7:27 am |
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eljefe
MMT Elite Member
Joined: Thu Jan 13, 2011 7:32 am Posts: 5210 Location: Beaumont Texas
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 Re: Issue is boat porpoising
Ok so I didn't pay attention to sig.... I wanna see pics of boat. Side profile to see rake.
_________________ You can't see the sunrise if your eyes are closed. dying aint much of a livin....
Black ops IITX marshstalker
1840 WC www.wccustomboats.com fuel injected 25 GTR
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Wed Dec 14, 2011 7:42 am |
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coyote29
MMT Pro Member
Joined: Thu Dec 09, 2010 9:40 am Posts: 141
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 Re: Issue is boat porpoising
Think I saw this boat on this weekend in Vicksburg. Very Nice rig
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Wed Dec 14, 2011 8:34 am |
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DeuceChunker
MMT Addict
Joined: Fri Dec 04, 2009 9:56 am Posts: 730
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 Re: Issue is boat porpoising
Does it have trim tabs? Bending the trim tabs down might be all it takes.
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Wed Dec 14, 2011 8:48 am |
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da_quack_meister
MMT Pro Member
Joined: Mon Sep 07, 2009 1:46 am Posts: 200
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 Re: Issue is boat porpoising
Thats it, I want an Uncle J boat. 31mph and Jumping around like that. Sounds like fun, hit some shallow water with that biatch and see if it calms down. But tell me what your speed is when you do it. But some welded tabs on the back will do it for ya.
_________________ 1854 Extreme CC w/ a 35 GTR a do everything machine!!!!
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Wed Dec 14, 2011 11:23 am |
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MaXXis85
MMT Elite Member
Joined: Wed Jan 14, 2009 7:23 am Posts: 6233 Location: Tarkington, TX
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 Re: Issue is boat porpoising
_________________ Bayou Surface Drive 337-351-0362 Tarkington, TX 77327
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Wed Dec 14, 2011 11:26 am |
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duckduckboom
MMT Elite Member
Joined: Tue Nov 23, 2010 6:33 pm Posts: 5603 Location: Corner of Hell an high water, La
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 Re: Issue is boat porpoising
See now skinner
_________________ You have your whole life to be an idiot, take a day off!
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Wed Dec 14, 2011 11:28 am |
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cb5331
MMT Super Elite Member
Joined: Fri Dec 18, 2009 8:10 pm Posts: 16915 Location: Rowlett, TX
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 Re: Issue is boat porpoising
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Wed Dec 14, 2011 11:28 am |
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da_quack_meister
MMT Pro Member
Joined: Mon Sep 07, 2009 1:46 am Posts: 200
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 Re: Issue is boat porpoising
I can take care of the porpoising, just saying I like his speed. Being a smart ass in the process. And as far as IQ's I will take that as a compliment coming from someone that didn't see a gaurd rail in the middle of the road. 
_________________ 1854 Extreme CC w/ a 35 GTR a do everything machine!!!!
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Wed Dec 14, 2011 11:35 am |
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cb5331
MMT Super Elite Member
Joined: Fri Dec 18, 2009 8:10 pm Posts: 16915 Location: Rowlett, TX
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 Re: Issue is boat porpoising
 Yeah, good one. I guess you would be expecting to see a piece of steel blocking the entire interstate at 3 in the morning... There were two other people in the truck that didn't see it. Only one other car got there before the cops blocked the road off, and they hit it too. But yeah, guess I should have been expecting it... 
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Wed Dec 14, 2011 11:38 am |
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WestEndAngler
MMT Moderator
Joined: Thu Mar 05, 2009 9:11 am Posts: 9143 Location: Houston | Surfside
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 Re: Issue is boat porpoising
_________________ GTB 1860 w/ 2019 GTR40XD-HO
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Wed Dec 14, 2011 11:39 am |
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da_quack_meister
MMT Pro Member
Joined: Mon Sep 07, 2009 1:46 am Posts: 200
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 Re: Issue is boat porpoising
Getting mods done after the season, was hoping to get them for christmas, but the wife didn't get the memo. And cb, I know how hard it is to see at night, just figured it was as good of a come abck as I could use, since I don't know anyone on here very well.
_________________ 1854 Extreme CC w/ a 35 GTR a do everything machine!!!!
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Wed Dec 14, 2011 11:56 am |
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cb5331
MMT Super Elite Member
Joined: Fri Dec 18, 2009 8:10 pm Posts: 16915 Location: Rowlett, TX
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 Re: Issue is boat porpoising
 It was.
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Wed Dec 14, 2011 11:57 am |
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Lil Brent
MMT Pro Member
Joined: Fri Oct 14, 2011 9:19 am Posts: 88
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 Re: Issue is boat porpoising
Isn't the manufacture of that boat a member on here? Looks like customer service is lacking. 
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Wed Dec 14, 2011 12:00 pm |
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JIMMY W
MMT 1000 Club
Joined: Tue Jan 13, 2009 8:02 pm Posts: 4534 Location: South Louisiana
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 Re: Issue is boat porpoising
Shouldn't have to install wedges or trim tabs!
_________________ 17/54 GT EXTREME Center Console, Huntdeck w/ GTR 35
Hoyt Mods and some other goodies
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Wed Dec 14, 2011 1:28 pm |
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UNCLE-J
MMT Sponsor
Joined: Fri Jul 24, 2009 7:26 am Posts: 10388 Location: S-Ville, LA
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 Re: Issue is boat porpoising
Ok. In our defense, this is the first that I hear of this. Also, you will not find any add of mine advertising a 17' boat. Thus, meaning anything other than that of a 18x54 is a CUSTOM BOAT. I have a 15'6" boat, if I trim all the way up, it bounces. I Also have a 18' boat with a 60 outboard. If I trim up, it bounces.
I can only hope that the customer calls me if he has a problem with anything we have done.
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Wed Dec 14, 2011 2:19 pm |
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cb5331
MMT Super Elite Member
Joined: Fri Dec 18, 2009 8:10 pm Posts: 16915 Location: Rowlett, TX
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 Re: Issue is boat porpoising
So custom means they porpoise? 
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Wed Dec 14, 2011 2:24 pm |
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Crews
MMT 1000 Club
Joined: Wed Jan 14, 2009 9:07 pm Posts: 2260 Location: Lafayette
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 Issue is boat porpoising
Bouncing isn't that big a deal... So boats do, some don't. Bend your trim tabs down a bit, add some if you don't have them. Prolly won't have that problem after you get a few hooks in the bottom.
_________________ 24x60 Dual Prodrives
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Wed Dec 14, 2011 3:02 pm |
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skinnerton_outlaw
MMT Addict
Joined: Sat Oct 30, 2010 1:17 pm Posts: 578 Location: Monroeville, Alabama
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 Re: Issue is boat porpoising
Yeah I'm gonna look at get some trim tabs on next week,I may and I may not, like I said, this ain't a big deal at all. I am very happy with my boat the way it is, I'm just new to these kind of boats and I just figured as many folks is on here someone has a little trick to keep it from doing it when I'm by myself.
_________________ Uncle J 17x54 GTR 35
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Wed Dec 14, 2011 3:25 pm |
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UNCLE-J
MMT Sponsor
Joined: Fri Jul 24, 2009 7:26 am Posts: 10388 Location: S-Ville, LA
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 Issue is boat porpoising
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Wed Dec 14, 2011 3:31 pm |
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BROOKS
MMT 1000 Club
Joined: Tue Jan 13, 2009 9:46 pm Posts: 4596 Location: East TEXAN Proud
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 Re: Issue is boat porpoising
I'll agree with doin' nuthin' for now ...... once the hull gits "seasoned" ... it'll probly clear up.
_________________ Git a Gator-Tail or ride in mines wake ...... MtrFact !!!!! '05 Model .... Still Number One on the Water !!!!
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Wed Dec 14, 2011 4:07 pm |
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MaXXis85
MMT Elite Member
Joined: Wed Jan 14, 2009 7:23 am Posts: 6233 Location: Tarkington, TX
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 Re: Issue is boat porpoising
With the above statement of an engine too powerful for a hull to handle. Wouldnt it be right to tell the customer that they should consider a larger hull? A suggestion and explanation to make a happy experience between customer and builder? I would rather a builder tell me if my CUSTOM boat would not work properly with my engine than just taking my money on a custom hull that will just be another boat to the builder.
_________________ Bayou Surface Drive 337-351-0362 Tarkington, TX 77327
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Wed Dec 14, 2011 4:15 pm |
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cb5331
MMT Super Elite Member
Joined: Fri Dec 18, 2009 8:10 pm Posts: 16915 Location: Rowlett, TX
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 Re: Issue is boat porpoising
Marcus, does your boat porpoise? It's smaller than the boat in question and has the same engine...
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Wed Dec 14, 2011 4:20 pm |
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MaXXis85
MMT Elite Member
Joined: Wed Jan 14, 2009 7:23 am Posts: 6233 Location: Tarkington, TX
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 Re: Issue is boat porpoising
_________________ Bayou Surface Drive 337-351-0362 Tarkington, TX 77327
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Wed Dec 14, 2011 4:24 pm |
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cb5331
MMT Super Elite Member
Joined: Fri Dec 18, 2009 8:10 pm Posts: 16915 Location: Rowlett, TX
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 Re: Issue is boat porpoising
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Wed Dec 14, 2011 4:26 pm |
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MaXXis85
MMT Elite Member
Joined: Wed Jan 14, 2009 7:23 am Posts: 6233 Location: Tarkington, TX
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 Re: Issue is boat porpoising
_________________ Bayou Surface Drive 337-351-0362 Tarkington, TX 77327
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Wed Dec 14, 2011 4:26 pm |
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skinnerton_outlaw
MMT Addict
Joined: Sat Oct 30, 2010 1:17 pm Posts: 578 Location: Monroeville, Alabama
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 Re: Issue is boat porpoising
_________________ Uncle J 17x54 GTR 35
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Wed Dec 14, 2011 4:37 pm |
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UNCLE-J
MMT Sponsor
Joined: Fri Jul 24, 2009 7:26 am Posts: 10388 Location: S-Ville, LA
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 Issue is boat porpoising
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Wed Dec 14, 2011 4:38 pm |
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MaXXis85
MMT Elite Member
Joined: Wed Jan 14, 2009 7:23 am Posts: 6233 Location: Tarkington, TX
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 Re: Issue is boat porpoising
Nope.
_________________ Bayou Surface Drive 337-351-0362 Tarkington, TX 77327
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Wed Dec 14, 2011 4:41 pm |
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UNCLE-J
MMT Sponsor
Joined: Fri Jul 24, 2009 7:26 am Posts: 10388 Location: S-Ville, LA
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 Issue is boat porpoising
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Wed Dec 14, 2011 4:56 pm |
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dog walker
MMT Elite Member
Joined: Tue Jan 13, 2009 6:08 pm Posts: 5282 Location: Meraux,La.
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 Re: Issue is boat porpoising
You can jb weld some aluminum tabs(wedges) on to try out and knock them off if you don't like them. What hole is your transom pin in?
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Wed Dec 14, 2011 5:21 pm |
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eljefe
MMT Elite Member
Joined: Thu Jan 13, 2011 7:32 am Posts: 5210 Location: Beaumont Texas
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 Re: Issue is boat porpoising
_________________ You can't see the sunrise if your eyes are closed. dying aint much of a livin....
Black ops IITX marshstalker
1840 WC www.wccustomboats.com fuel injected 25 GTR
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Wed Dec 14, 2011 5:24 pm |
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deltaduckmaster
MMT Sponsor
Joined: Tue Jan 13, 2009 7:07 pm Posts: 16608
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 Issue is boat porpoising
My first Gatortail boat was a 17x52 with a 70 hp stage 3 on the back at 38 mph it still wouldn't bouncy even with my big ass in the back!! You get what you pay for now you know why it was so cheap on the market!! Top notch manufacture guaranty their boat to perform or at least gator-tail does!!
Fastest boat gt ran was a 16x54 with same motor I spoke of above ran 43mph no problem !! Enjoy !!
_________________ 17x48 extreme stage 2 GTR 20X60 DUAL RIG BOWFISHING ADDITION http://www.scalesandtailsbowfishing.com
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Wed Dec 14, 2011 5:25 pm |
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JIMMY W
MMT 1000 Club
Joined: Tue Jan 13, 2009 8:02 pm Posts: 4534 Location: South Louisiana
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 Re: Issue is boat porpoising
_________________ 17/54 GT EXTREME Center Console, Huntdeck w/ GTR 35
Hoyt Mods and some other goodies
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Wed Dec 14, 2011 5:36 pm |
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cb5331
MMT Super Elite Member
Joined: Fri Dec 18, 2009 8:10 pm Posts: 16915 Location: Rowlett, TX
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 Re: Issue is boat porpoising
I was just pickin at J.
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Wed Dec 14, 2011 5:40 pm |
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Woodiebuster
MMT Elite Member
Joined: Wed Mar 03, 2010 7:00 pm Posts: 6060 Location: Choudrant, La
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 Re: Issue is boat porpoising
Didn't Jordy's 18x54 nonk J porpise too?
_________________ CSM Custom 18x42 Battleship with a 36 PD beating you to the hole My Rig (Old Motor) viewtopic.php?f=5&t=45193
(New Motor) viewtopic.php?f=5&t=54733 Stumps Fear Me
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Wed Dec 14, 2011 5:42 pm |
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