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Is there anyway to better my 15hp longtail?
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 Is there anyway to better my 15hp longtail?Ive got a 15 hp go devil long tail, and im just wondering if there is any at home, or even purchased mods i could do or buy to better its performance, and for god sakes its speed? Or just anything at all to better what it is now?
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| Tue Dec 28, 2010 10:31 pm |
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MMT Elite Member  Joined: Wed Jan 14, 2009 7:54 pm Posts: 5582
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Re: Is there anyway to better my 15hp longtail? Yeah you can spend $2,500 on heads, cam, exhaust, carb, intake, and prop for an increase in hp or you can just sell it and buy a big block surface drive.
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| Wed Dec 29, 2010 4:25 am |
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Re: Is there anyway to better my 15hp longtail? I was just seeing if there were any modifications like cutting 2 1/2" holes in the stock exhaust and welding some pipe to each for a increase in exhaust flow
Just little things like that |
| Wed Dec 29, 2010 6:24 am |
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MMT Addict
Joined: Mon Nov 29, 2010 6:02 pm Posts: 534 Location: louisiana
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Re: Is there anyway to better my 15hp longtail? check out some of the go cart sites, google "affordable golf karts parts" i think, and they give instructions on how to remove the governor, and then mod the air filter and exhaust.
be sure to install a tacometer if you remove the governor so you dont blow it up though _________________ gtr35 gt 1854 / w gatorglide 12 ft 11hp longtail 14 ft 10 hp longtail Merc 225hp TR20 |
| Wed Dec 29, 2010 2:17 pm |
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MMT 1000 Club  Joined: Wed Dec 09, 2009 10:35 pm Posts: 1072
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Re: Is there anyway to better my 15hp longtail? just do what quack said to do.
_________________ 14 by 44 Weld Craft powered by a 20hp. go devil longtail Team Arc Angel Bowfishing |
| Wed Dec 29, 2010 2:18 pm |
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MMT Addict
Joined: Mon Nov 29, 2010 6:02 pm Posts: 534 Location: louisiana
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Re: Is there anyway to better my 15hp longtail? what type of speed are you getting out of it now
_________________ gtr35 gt 1854 / w gatorglide 12 ft 11hp longtail 14 ft 10 hp longtail Merc 225hp TR20 |
| Wed Dec 29, 2010 2:27 pm |
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Re: Is there anyway to better my 15hp longtail? So the go devils have a governor??
With just me it'l get up to about 12 to 14 maybe, with a 16ft all aluminum flatbottom |
| Wed Dec 29, 2010 2:42 pm |
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MMT Addict
Joined: Sun Aug 08, 2010 3:28 pm Posts: 546 Location: St. Martinville, La
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Re: Is there anyway to better my 15hp longtail? cut the shaft 32 inches, buy some timing gear pulleys, with 1.35:1 gear ratio. Have a housing built for gears, then bolt shaft to housing, Get a surface prop and VOILA!!! surface drive. Its all better then. If it was only that easy right.
_________________ 1542 FLATBOTTOM WITH 24 HONDA MUD BUDDY MINI TURNING A 12" GDSD PROP/17 FT XPRESS CENTER CONSOLE WITH 90 MARINER |
| Wed Dec 29, 2010 2:47 pm |
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Re: Is there anyway to better my 15hp longtail? Lol I plan on getting a surface drive net year im only 18 so moneys slim right now. I just wanna see if I can get more outa this little thing while I've got it
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| Wed Dec 29, 2010 6:16 pm |
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MMT Elite Member
Joined: Wed Mar 03, 2010 7:00 pm Posts: 6060 Location: Choudrant, La
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Re: Is there anyway to better my 15hp longtail? your never gunna get it to run with the big motors, why spend money to gain a couple mph just to make it more unreliable?
_________________ 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 |
| Wed Dec 29, 2010 7:10 pm |
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MMT 1000 Club Joined: Wed Dec 09, 2009 10:35 pm Posts: 1072
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Re: Is there anyway to better my 15hp longtail? _________________ 14 by 44 Weld Craft powered by a 20hp. go devil longtail Team Arc Angel Bowfishing |
| Thu Dec 30, 2010 8:35 pm |
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Re: Is there anyway to better my 15hp longtail? I plan on getting a sd next year I was just checking if there was anything that I could do to better what vie got now I always trying to take a step forward
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| Sun Jan 02, 2011 5:42 pm |
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MMT Pro Member  Joined: Thu Jan 15, 2009 1:24 am Posts: 455
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Re: Is there anyway to better my 15hp longtail? a new prop and just keep up on the maintenance and you should be fine. dont worry about the speed with such a small hp motor..
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| Tue Jan 04, 2011 6:44 am |
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Re: Is there anyway to better my 15hp longtail? I've got a real small 3 blade prop right Now that I'm not go thrilled with. Think it would be a litle faster and go through more with a little bigger 2 blade?
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| Tue Jan 04, 2011 4:52 pm |
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MMT Pro Member Joined: Thu Jan 15, 2009 1:24 am Posts: 455
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Re: Is there anyway to better my 15hp longtail? Do you have a tach on your motor? have you gps'd how fast your going now?
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| Wed Jan 05, 2011 1:40 am |
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Re: Is there anyway to better my 15hp longtail? No, and no
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| Wed Jan 05, 2011 12:27 pm |
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MMT Pro Member Joined: Thu Jan 15, 2009 1:24 am Posts: 455
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Re: Is there anyway to better my 15hp longtail? Start with doing both of those..
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| Thu Jan 06, 2011 1:28 am |
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Re: Is there anyway to better my 15hp longtail? What's the tachometer good for?0
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| Thu Jan 06, 2011 9:58 am |
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MMT Super Elite Member
Joined: Fri Dec 18, 2009 8:10 pm Posts: 16915 Location: Rowlett, TX
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Re: Is there anyway to better my 15hp longtail? Lets u know if your motor is running in the right rpm range. Can give you hints that your compression may be low, or time for a new prop...
Also good for keeping track of your hours so you know when to do your scheduled maintenence. |
| Thu Jan 06, 2011 1:21 pm |
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Re: Is there anyway to better my 15hp longtail? I gotcha.. Ima have to invest in one
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| Thu Jan 06, 2011 1:41 pm |
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