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Old     (knarbar)      Join Date: Nov 2006       04-16-2008, 4:22 PM Reply   
Speedometer and Perfect pass are off 3-4 MPH. When I first ran it the MPH would top out at 43 but the perfect pass was at 39. When I calibrated the MPH to match the perfect pass the boat was topping out at 39.2MPH at 5000rpms. Thats with no ballast. I know generally your not gunna hit that 50mph mark on the speedometer but 39 seems a bit off. The paddle wheel has even been replaced and im running the stock prop as well. Anybody know whats goin on or had this problem before? I even brought my GPS and it read 39.2 when the boat was at 5000rpms
Old     (guido)      Join Date: Jul 2002       04-16-2008, 4:33 PM Reply   
Sounds dead on to me.... They're propped to get a lot of weight out of the water, not to go fast.

If it makes you feel better, my '02 Sanger with the MPI motor would only turn 42 mph and it was a much smaller boat.

If you want to go fast you'll get rid of your holeshot.

(Message edited by guido on April 16, 2008)
Old     (allen)      Join Date: Apr 2005       04-16-2008, 4:35 PM Reply   
What engine do you have. Your right though that does sound a bit slow. I don't know how fast any of our boats go empty. Travis might know what the speed might be.

Old     (jarrod)      Join Date: May 2003       04-16-2008, 4:35 PM Reply   
Not sure I understand. Were you expecting the boat to go faster? And if so, why?

The GPS doesn't lie. Is this how you calibrated the speedo and the perfect pass?
Old     (jarrod)      Join Date: May 2003       04-16-2008, 4:36 PM Reply   
you guys are fast. When I clicked on this post, there were no replies.

Get back to work!
Old     (allen)      Join Date: Apr 2005       04-16-2008, 4:37 PM Reply   
It seems that I have seen our speedo over 40 but I could be wrong.

Evan is right though who really cares about speed. You want speed you have the wrong boat. What ever you do don't get a jet ski
Old     (allen)      Join Date: Apr 2005       04-16-2008, 4:37 PM Reply   
Old     (knarbar)      Join Date: Nov 2006       04-16-2008, 4:49 PM Reply   
No not expecting to go faster and its the MCX350. I know these boats are geared to do a certain speed whether you have the MCX400 or 350. Yes there made to pull alot of weight out of the water I understand all this. I know that boat wont do 50mph. But 39 does not seem right. feels like its a few mph off and its not me cryin about it. Its our customer suprising huh? ha anyways weve hooked the lap top up to the motor and changed the paddle wheel so I guess 39 is top speed.
Old     (knarbar)      Join Date: Nov 2006       04-16-2008, 4:52 PM Reply   
J-rod the perfect pass was dead on with my gps. But the MPH guage was over by 3-4 mph. Thats when I calibrated the MPH guage down to match the gps and the perfect pass. Thanks for everyones help
Old     (njskier)      Join Date: Jul 2005       04-16-2008, 5:32 PM Reply   
Just curious, what prop is on there from the factory? I think you should have a 14.25 X 14 if I'm not mistaken. 39 sounds about right for top end with that prop. The 13.7 X 17 prop might give you a bit more on the top end, but big sacrifice on holeshot with extra ballast.
Old     (xaggie)      Join Date: Nov 2002       04-16-2008, 7:32 PM Reply   
My boat runs 51 on PP (49.7 GPS) with the '07 exhaust re-call/re-cal (8.1) and a 14.5 X 22. Dave is dead on, prop for what your using the boat for.

(Message edited by xaggie on April 16, 2008)
Old     (hawk7)      Join Date: Apr 2007       04-16-2008, 8:46 PM Reply   
I've Never taken my 03 supreme above 25 mph.
Old     (driving)      Join Date: Jan 2003       04-17-2008, 5:13 AM Reply   
I have GPS installed on my boat, and it will run just under 41. I have the LY6 and run the 14.25x14. So with the MCX I would say you are really close.
Old     (rrbooker)      Join Date: Feb 2003       04-17-2008, 8:02 AM Reply   
Mine has the MCX with the 14.25x14, and top end is only 39 mph at 5300rpms. It has been that way from day one!
Old     (guido)      Join Date: Jul 2002       04-17-2008, 10:35 AM Reply   
Ha, ha, ha.... A guy at the dock last weekend saw the for sale sign on our old boat and asked how much. We told him, and his next question was "how fast?".... I told him it goes 27 and gets on plane. That's all that matters. It's rare for us to break 30 these days. I think he was confused as he was driving off on his bass boat. LOL!!
Old     (socalwakepunk)      Join Date: Dec 2002       04-17-2008, 11:12 AM Reply   
Matt - Great profile pic. That's how you are supposed to roll!
Old     (jarrod)      Join Date: May 2003       04-17-2008, 11:45 AM Reply   
"Matt - Great profile pic."

no doubt..Hot
Old     (xaggie)      Join Date: Nov 2002       04-17-2008, 2:36 PM Reply   
Well hell guys I try every once in awhile .
Old     (kko13)      Join Date: Jul 2006       04-17-2008, 9:45 PM Reply   
i need 41 and up to get my big azz footin so that would be an issue for me. if you dont foot it should not be a problem but i do think the boat should do 43 or 44. it would need good water if it is rough out it might not make it above 40.
Old     (knarbar)      Join Date: Nov 2006       04-18-2008, 11:26 AM Reply   
Sounds like everythings running the way it should be. Thanks everyone


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