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Old 05-11-2013, 10:37 AM
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wheelerd wheelerd is online now
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Piggyback integrated bow sac -- any experience?

I'm considering adding the piggyback integrated bow sac kit from Wakemakers to my 05 X2. http://www.wakemakers.com/mastercraf...st-system.html
Anyone here have experience with this? Logic tells me that filling the sac from the overflow of the KGB is not the most efficient way but I spoke with Bryan from Wakemakers and he assured me that this indeed was the best solution.

(I was thinking of Y-ing the hose at the KGB pump and running a separate line. He said they recommend this for the newer boats with the 1" hose but not those with the 3/4".)

Any thots?
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(previous) 2001 X5, 1991 TriStar 190
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Old 05-11-2013, 12:11 PM
73blue 73blue is offline
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I didnt buy the kit, but I have done this in my 04 X-10. It works fine. As you said, its probably not the most efficient. For that you would install a new thru-hull, pump, switch, etc. But it works, which is the important part.
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Old 05-11-2013, 01:06 PM
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JRW160 JRW160 is offline
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I have a 3 way ball valve that switches flow from the kgb to the bow sac. The previous owner had it in the bilge with access through the round hole. I moved it and mounted it behind the rear starboard seat.

I have 750s in the back and switched from the integrated bow sac to the open bow triangle. With the limited space up front under the seats, you might get 350-400lbs max with the integrated bow sac.
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Old 05-12-2013, 01:46 AM
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JRW160 JRW160 is offline
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If you are going to run the integrated bow sac, make sure you run a Y on the line and have a line running to each leg of the sac. I only have one fill/drain hookup on mine and it was a hassle getting it to drain.

Here's a pic I took of the ball valve today. Pretty simple setup. Probably $30 for the valve and $20 or so for the extra hose.

Last edited by JRW160; 05-12-2013 at 11:38 AM.
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Old 05-12-2013, 02:22 AM
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Quote:
Originally Posted by JRW160 View Post
If you are going to run the integrated bow sac, make sure you run a Y on the line and have a line running to each leg of the sac. I only have one fill/drain hookup on mine and it was a hassle getting it to drain.
Thanks. Yes, the Wakemakers package for the sac has two two fill/drain hoses and two vent hsoes.
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"For every complex problem there is an answer that is clear, simple, and wrong." (Henry Louis Mencken)
2005 X2, Viper Red, MCX, Acme 1285, PPass, rear 750 sacs, KGB, IBS, Bennett Wake Plate
(previous) 2001 X5, 1991 TriStar 190
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Old 05-12-2013, 04:43 AM
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I run the integrated bow sack with just one in line from the KGB overflow and one outflow from the sack to the vent line. I did put the fill/drain line on the starboard side which seems to help the draining for some reason. Works like a charm.
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Old 05-12-2013, 04:45 AM
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Grant777 Grant777 is offline
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Just don't forget to plug both the drain hole on the opposite side with a blank. I had a friend who tried to sink his boat this way.
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Old 05-12-2013, 11:30 AM
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wheelerd wheelerd is online now
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Thanks Grant777. Does your sac have the fill/vent holes on the top or the bottom? (I guess a person could flip the sac over to have it either way.)
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"For every complex problem there is an answer that is clear, simple, and wrong." (Henry Louis Mencken)
2005 X2, Viper Red, MCX, Acme 1285, PPass, rear 750 sacs, KGB, IBS, Bennett Wake Plate
(previous) 2001 X5, 1991 TriStar 190
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Old 05-12-2013, 11:40 AM
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My sac has one fill hole on the top in the center of the bag, basically inline with the center of the boat it then has a drain hole on each end of the sac. If you need pictures I can send you some tomorrow.
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Old 05-13-2013, 12:21 AM
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http://www.mastercraft.com/teamtalk/...ad.php?t=54225

In the above thread, the first pic is my 750# sac piggy-backed off the KGB tank.
It fills thru the bottom fitting and drains that way also. No vent hose on it, I just use the air valve to allow excess air to escape and when water starts coming out it's full.
When I empty it, I watch the sac shrink until it's empty, then disconnect it from the KGB tank so there is no excess vacuum in the KGB that might cause damage to it. Simple set-up.
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