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It is currently Sat May 10, 2025 5:15 am
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[ 7 posts ] |
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Biggerjigger
MMT Member
Joined: Tue Sep 20, 2016 2:46 pm
Posts: 3
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 27GD SD Dies under load. I have a stock SG 27hp Kohler Command SD on a F&F 1544 with pods. 2 people and a cooler it turns about 4100RPM at WOT down river 23MPH tops. (Seems slow to me.) Loaded with 3 Big men a cooler and a chainsaw it drops WAY down to like 3000 RPM and will barely break 10 MPH. It is all stock with the GD 11X12 3 blade that im sure is worn a bunch. Will a prop change or a pulley change help me?
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| Mon Feb 13, 2017 11:42 am |
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Bigbend
MMT Pro Member
Joined: Sat Dec 11, 2010 6:25 am
Posts: 493
Location: SWGA
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Re: 27GD SD Dies under load. 15x44 with pods and a 27 with three big guys......you should at least be doing 30 mph. Maybe you need a K&N air filter to really open it up some......Call Coco and tell him you want the faster pulleys when you get a new prop.
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| Mon Feb 13, 2017 12:54 pm |
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Biggerjigger
MMT Member
Joined: Tue Sep 20, 2016 2:46 pm
Posts: 3
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Re: 27GD SD Dies under load. Call who?
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| Mon Feb 13, 2017 1:10 pm |
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libertarian
MMT Pro Member
Joined: Wed Jan 21, 2015 6:09 pm
Posts: 105
Location: SE Texas
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Re: 27GD SD Dies under load. Check your water/fuel filter for rust. Especially if it's a Sierra.
_________________
GoDevil 18X44
GoDevil 35 SD
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| Tue Feb 14, 2017 2:36 pm |
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brycecheramie
MMT 1000 Club
Joined: Thu Nov 04, 2010 7:38 am
Posts: 4323
Location: Cut Off, La.
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Re: 27GD SD Dies under load.
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Refurbishing a Prodrive
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| Wed Feb 15, 2017 8:00 am |
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Russ
MMT 1000 Club
Joined: Mon Dec 31, 2012 11:07 pm
Posts: 4820
Location: West Monroe, LA
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Re: 27GD SD Dies under load. Have to be trolling, but just in case you arent: no. Prop or pulley change isn't going to fix that. It's a small boat with a lot of weight. That's just about the normal performance with that load on a boat that size.
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| Wed Feb 15, 2017 8:39 am |
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reharbert
MMT Addict
Joined: Tue Mar 17, 2015 1:38 am
Posts: 606
Location: Beaumont, Texas
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Re: 27GD SD Dies under load. Russ summed it up well.
My 25 subaru will run great with a 2 man load. Throw a 3rd person in the mix and it becomes a slug.
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Uncle J - 17 x 48 w/GTR | Bayou Surface Drive heads | Voodoo exhaust | DIY Mikuni carb
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| Wed Feb 15, 2017 9:06 am |
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