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Old 06-17-2014, 02:56 PM
longboardebo's Avatar
longboardebo longboardebo is offline
TT Regular
Join Date: Mar 2014
Boat: 2013 X55 OPS 6.2 & GEN2
Location: NorCal
Posts: 85
So I have a 2013 X55 with Gen 2.0 fully installed and it works great!

HOWEVER, there is one very important change from 2013 to 2014 that we learned in the upgrade process. I'm not sure all dealers realize it but it will cause big issues if you are not aware...

There is a 4" difference in where the ballast tanks are located between a 2013 and 2014 hull, at least in the X55, but I'm willing to bet they made the same change for most hulls. Basically they moved the Ballast tanks FORWARD 4" to allow for the wiring from the actuator to pass into the hull.

The details have to do with where the GEN 2 tab actuator wires comes through the transom. The GEN 2 wiring enters the hull at a LOWER location than the original 2013 surf tabs. This means that if the dealer were to drill through the hull using the 2014 template provided in the Gen 2.0 upgrade kit on a 2013 boat, they will make a 1/2" hole in your port and starboard ballast tanks, and they can't run the wiring...

There are TWO solutions to this problem, what we did was actually take the entire top of the boat off and install two new shorter ballast tanks. This is a huge job, and not something I would recommend, but it was what MasterCraft told us to do.

The other much easier solution is to buy two new LONGER Lenco tab actuators (MC uses the shorter version as standard). Now you can't use the same mounting locations, but you can measure the throw of the tabs on a similar 2014 model boat, and then mount the longer actuators in the necessary locations on the hull to reproduce the throw. This way the programming in the GEN computer is the same. Most importantly the new wire hole will be ABOVE the ballast tanks.

The longer actuators don't have more throw, the static (upper black part) is just longer. So when properly mounted you get the identical throw action, but you don't have to worry about moving the ballast tanks forward, holes in the tanks, etc.

This is a MUCH simpler solution, I would be very surprised if MC isn't using this solution moving forward for 2013 models.

The only other part of the install that you need to watch is correctly matching your hull colors to patch up the old actuator mounting holes.

Last edited by longboardebo; 06-18-2014 at 04:20 AM.
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Old 06-17-2014, 03:07 PM
501s's Avatar
501s 501s is offline
MC Devotee
Join Date: Mar 2012
Boat: 2013 X-30, 6.0L, 2500lbs of Ballast, 650lbs of Lead.
Location: Alberta, Canada
Posts: 1,107
Is this why the X46s are leaking?
2013 X-30, 6.0L with 2500lbs of ballast and 500 lbs of lead.
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Old 06-17-2014, 03:11 PM
MC25's Avatar
MC25 MC25 is online now
MC Master Poster
Join Date: Nov 2007
Boat: 2016 X30, 85 S&S
Location: Grapevine, Texas
Posts: 15,020
ooohh now that makes sense!!!!



2016 X30-Wetsounds galore
2017 Misty Harbor Tri-Toon
1985 S&S- Gone but never forgotten
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Old 06-17-2014, 03:11 PM
swatguy's Avatar
swatguy swatguy is offline
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Join Date: Mar 2007
Boat: Nautique
Location: Midwest, Chicago
Posts: 3,078
I was thinking the same exact thing

2000 Mastercraft Xstar
2004,2005 Ski Centurion Avalanche C4
2003, Ski Centurion Cyclone
99,2000,2001, 2002 Ski Centurion Elite V/Hurricane/lightning
88 2001 Nautique
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Old 06-17-2014, 03:48 PM
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FourFourty FourFourty is offline
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Join Date: Nov 2010
Boat: 19 X24
Location: Northeast
Posts: 2,339
If this is really the case, I am going to go ahead and place my "I told you so" right here!

You would think the dealer would realize that they did that on those 46s though. But, it does seem weird that they are both retrofitted last winter (I think) and are now leaking this season.
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Old 06-17-2014, 03:51 PM
soacj's Avatar
soacj soacj is offline
MC Fanatic
Join Date: Jul 2004
Boat: Current: '03 X2 w/ MCX. Former: '91 Prostar
Location: Virginia
Posts: 699
Wonder if the OP's dealer figured that out after drilling into the ballast tank, which is why they proceeded with the deck removal/tank relocation method of correction since they had to repair the tanks anyway? Pure conjecture on my part.
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Old 06-17-2014, 03:53 PM
H2ORidr H2ORidr is offline
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Join Date: Aug 2013
Boat: 2007 X14
Location: St. Paul
Posts: 697
If this is indeed the case why oh why did someone not look at the boats using the CAD drawings and make sure things fit? That is step #1 when we ever make a change to ANYTHING where I work. No print verifying it will fit, then the work does *not* proceed.
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Old 06-17-2014, 06:29 PM
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MattsCraft MattsCraft is offline
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Join Date: May 2008
Boat: 2013 X25 - 6.2 Ilmor Baby
Location: Cincinnati, OH
Posts: 1,806
This is exactly why I have made the decision not to upgrade to Gen 2, plus the expense, plus when it's all messed up your pretty much SOL. The gain is just no there IMO.

My X2, had no tabs, we dialed a great wave. My X25, has Gen 1 tabs, weighted properly has a great surf wave. Just not buying into all the hype

Oh yeah and don't call them tabs around the MC corp guys, they are "Wake Shaping Devices"
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Old 06-17-2014, 10:51 PM
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X25John X25John is offline
TT Enthusiast
Join Date: Oct 2011
Boat: Mastercraft, X25 2012 5.7 ILmor (sold), X25 2013 6.2 Ilmor (sold), X20 2015 6.2 (sold), X46 2016 7.4 Ilmor
Location: midwest
Posts: 205
Yeah I'm pretty much liking my Gen 1 tabs...oh I mean wake shaping devices. Not sold on the change Gen 2 provides.
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Old 06-17-2014, 11:31 PM
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lashburn1 lashburn1 is offline
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Join Date: Aug 2013
Boat: 2015 X20 SS
Location: Oceanside California
Posts: 5,091
Oh Crap!

2015 X20 SS GEN2 6.0
2016 G21 Coastal
2014 X46 GEN2 7.4
2014 X30 GEN2 5.7
2006 VRS200 SS 5.7
2013 X30 GEN2 6.2
2013 Yamaha 242LS
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