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Adding coffin and optional fill bag to existing piggyback bag


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I have an 08 23 LSV with the 910 wakemakers rear piggyback bags plumbed in (it was done by prior owner so I am assuming for now, that they used the std wakemakers kit). Typically, it’s just myself, wife and 10 year old son so we add lot’s of ballast :) .

1/ I am finding that I use an observer side coffin ballast bag 100% of the time - what fittings do I need to connect it into the filing/draining of the observer side rear bag to automate it’s filling and draining with that side? Perhaps with a bypass value just in case I need to turn it off?

2/ I also, most of the time, use another 380 lb bag on top of the rear seat..is it practical to add flexible hose with a manual on/off/bypass value to fill this bag?

3/ What’s the first step to making the pumps faster filing and draining? Do I need to update both the pumps, hose and hoses or is there an intermediate step of just faster pumps?



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I would add an additional reversible pump with a y valve to fill the additional bags.  Wakemakers sells a kit with everything included like this one that shows almost everything you need.


I would probably do a custom one since you need a y valve, more 1" hose and no vent line.  As a supporter you get the discount code to save on this.

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