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 GTR - Is your Skeg Slowing you down? 
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Post GTR - Is your Skeg Slowing you down?
Guy's, I wanted to see if anyone has noticed a differnce in speed if they cut down the skeg on the bottom of the GTR Shaft. The only reason I ask is because on my first GTR it came with a huge bolt on peice that added about an inch to the depth and it was about twice as wide. Hyot said that if I wasn't running in rough terrian to take it off and I would notice a difference in speed, I took it off and my boat ran about 3-4 miles per hour faster. It put the Skeg about (I guess) 4" to 4 1/2" inches deep from the bottom of the shaft housing.

On my new motor the Skeg comes down a solid 5 1/2" from the bottom of the shaft housing. It sticks lower then the prop and I'm running the 12" big blade.

I'm running a 18 x 54 CC, And I'm only running about 25 avg. No mods to the motor.

I'm considering cutting down the skeg to see if makes a difference in speed. What do you think?


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Fri Aug 03, 2012 3:30 pm
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Post Re: GTR - Is your Skeg Slowing you down?
How many rpm you running?

I doubt that in open water the skeg is slowing you down. I'd be looking into leaking valves

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Sat Aug 04, 2012 6:28 am
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Post Re: GTR - Is your Skeg Slowing you down?


Sat Aug 04, 2012 7:43 am
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Post Re: GTR - Is your Skeg Slowing you down?
You want it to stick down past your prop a little bit to protect the prop from strikes.

Have you tried running GT's 11" prop?


Sat Aug 04, 2012 7:45 am
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Post Re: GTR - Is your Skeg Slowing you down?
don't cut the skeg. However you should consider having your valves checked out. I'd bet money they are leaking.


Sat Aug 04, 2012 8:23 am
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Post GTR - Is your Skeg Slowing you down?
You're skeg will NOT slow you down.

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Sat Aug 04, 2012 8:25 am
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Post Re: GTR - Is your Skeg Slowing you down?
Thanks for the comments guys, I'm running between 3700 to 3800 at max speed. It has been like this from day one since the first time I put it in the water. So if it is my Valves, it must have been messed up from the factory. Can the valves be adjusted? Or is there something I can do to check them or will I need to bring it in? I have never tried a different prop, but I was considering it. My buddy has a 9" that GT use to put on the motors before they switched to the 12", I was going to try it just to see if it made any diffence in Speed. I know it wouldn't help take off but may improve on overall speed.

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Tue Aug 07, 2012 9:36 am
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Post Re: GTR - Is your Skeg Slowing you down?
That prop won't help. I'm with them check then valves. But your speeds are not really bad. Maybe a little slow.

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Mon Aug 13, 2012 9:41 am
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Post Re: GTR - Is your Skeg Slowing you down?
I say you cut the bitch off and let us know....better cut it straight so you can weld it back on...lol


Mon Aug 13, 2012 9:45 am
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Mon Aug 13, 2012 10:42 am
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