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Old     (jwharan)      Join Date: Nov 2006       03-19-2007, 9:39 AM Reply   
I want to plumb two Fly High V Drive Fat sacks into the stock MLS Ballast System on a 2007 Malibu. Can someone recommend which connections I should buy, and whether I should T off the Fill Pump, or just loop into the overflow, and drain hoses. Thanks!

Also, I heard the quick connects can fail, so I am looking for an alternative, Thanks!
Old     (jmunday)      Join Date: Mar 2006       03-19-2007, 9:49 AM Reply   
My friend just hooked up some fly high x series sacs and he went to lowes and found an adapter in the plumbing section that would screw into the bag. One end screwed in to the bag and the other was fitted for a flexible hose. hope that helps
Old     (phat_in_cincy)      Join Date: May 2003       03-19-2007, 10:09 AM Reply   
Here's what I did. Threaded hose barb and a rubber grommet. Also used Teflon tape on the threads. Works pretty well.


(Message edited by P-hat_in_Cincy on March 19, 2007)

(Message edited by P-hat_in_Cincy on March 19, 2007)
Old     (zo1)      Join Date: Aug 2002       03-19-2007, 10:12 AM Reply   
check wakeside or the like for their quick dosconnet fittings. No doubt that the above would work but for the extra 15-20 bucks easy removal for end of season drying etc. is awesome...
Old     (shelstad)      Join Date: Oct 2005       03-19-2007, 10:15 AM Reply   
James, both of the ways you are looking into plumbing your sacs will work.
The fittings that you will want to use are not found at the hardware store.

You can find fittings at the harware store that will screw into our sacs but it is not an exact fit and we DO NOT guarantee that the connection will not leak.

Give me a call and I can go over in detail which Pro X Series fitting I would recommend and guarantee.
Old     (garret_s)      Join Date: Apr 2006       03-19-2007, 10:36 AM Reply   
Chris, your profile picture is hilarious.
Old     (shelstad)      Join Date: Oct 2005       03-19-2007, 10:50 AM Reply   
Thx GS. I am just trying to get the word out that SIZE MATTERS!
Old     (rich_g)      Join Date: May 2003       03-19-2007, 4:18 PM Reply   
James, I found some nylon fittings at Home Depot that match the thread pattern of the Fly High bags. These are not in the normal PVC section, but more in specialty valves and fittings (plumbing section). Look for a 3/4" MIP ADAPTER on the threaded end. The one I got is made by WATTS.

I will be using Fly High QD fittings for some of my connections but not all.
Old     (toesideturtle)      Join Date: Oct 2002       03-19-2007, 5:39 PM Reply   
Take the fill line off the stock tank and attach it to the top of the sac. Screw a ballast pump into the bottom conection of the sac and run a new line back into the tank where the fill originally was attached. Leave the overflow line alone(it works fine as it above the level of the sack). I used the power off of my shower to energize the pumps(with secondary on/off switches for issolation purposes). This works great---turn on you factory switches to fill, as the bags start to fill, turn on the shower--thus filling the bottom tanks. Same thing to drain, just watch the sacs--if one empties before the other, turn off that pump with the secondary on/off switch. I fill and drain the rear in the same tome it takes to fill/drain the center ballast. Works really well without getting wet. I also run lead in the bow and under the seats. The wake is great and we stay dry and warm while filling during the winter.
Old     (hudd007)      Join Date: May 2006       03-19-2007, 6:38 PM Reply   

I love the look on the girls face in the background. She looks scared but slightly intrigued by what she sees. LOL.
Old     (jwharan)      Join Date: Nov 2006       03-19-2007, 7:39 PM Reply   

I don't have a shower, but even if I did, I am confused by what you are saying regarding the shower, can you explain, and also list an alternative, since I did not order the shower? Thanks!
Old     (spencerwakeside)      Join Date: Sep 2005       03-19-2007, 9:51 PM Reply   
There are multiple ways of plumbing in the fly high sacs. None are wrong. I would imagine they will all work somewhat well. Just make sure the sacs don't fill until your hard tanks are completely full. Don't want to make your hard tank into a soft tank. Give Chris at FlyHigh a call. He knows what he is talking about.
Old     (toesideturtle)      Join Date: Oct 2002       03-20-2007, 1:17 PM Reply   
I used the shower switch in the dash to power the pumps on the bags. That way I can fill everything from the drivers seat without adding a switch.
Old     (toesideturtle)      Join Date: Oct 2002       03-20-2007, 1:38 PM Reply   
I used the Shurflo pumps(same as used in the factory MLS--and cheap online) so my rear hard tanks fill at the same time as the Fly High sacks above them. The hard tanks are much smaller and fill completely long before the sacks above them have enough weight in them to worry. I run the 400lbs. sacks with zero problems and know people running the 750lbs sacks without issues as well.
Old     (jwharan)      Join Date: Nov 2006       03-20-2007, 3:55 PM Reply   
where do you get the pumps cheap?
Old     (shagman)      Join Date: Sep 2004       03-21-2007, 10:21 AM Reply   
While we're on this subject, I'm looking to plumb some flyhigh 750's into the rear compartments of an 06 X-star and have a few questions. First off, does someone have a diagram of the stock plumbing? I haven't had a chance to get inside the boat and check it out first hand. Next, how do you set up the hoses and check valves? I think I could figure it out if I had a diagram, but it would be nice to see how others have done it. Thanks.


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