I took both hard tanks out of my V215. I put a 400# sac in the drivers side and have an 1100# sac on the passenger side (for surfing). This is a huge improvement IMO. I originally thought the hard tanks were the way to go, but now with the plumbed in soft sacs, I have WAY more room in the drivers side for storage. The 400# sac does not take up the whole compartment, there is actually quite a bit of room left after it fills.
For wakeboarding, I planned to run the pumps for the same amount of time (`2 minutes = 250#) - but there is plenty of upside if I want it
For surfing, the passenger side compartment fills up COMPLETELY with the 1100# sac. I installed a ball valve on the vent to make sure the whole thing filled up - works great. I also moved the wall against the motor over about 2" to make more room for the sac.
There aresome modifcations needed to make all this work. The back panels of the compartments can be removed (forever). My 1100# side doesnt use one, so the sac fills to the rear as well. On the drivers side, I made a new back panel to constrain the 400# sac, only because I have a remote oil filter mounted back there - if you didnt, you wouldnt need the panel. There are a few exposed bolts and hazards to accomodate, but nothing major.
Overall, i think the switch from hard tanks to fat sacs is a huge improvement.
One more tip: when laying out the empty bags in the locker, to make sure everything is hooked up and placed correctly, put an air mattress inflator into the vent hole and fill the bag up with air in the compartment. Then you can jostle it around and make sure it is perfectly placed. Then let is deflate and you're all set.
I also have the factory 500# in the center front, and an extra 400#'er for placement on seats if desired (using separate Tsunami pump)
Last edited by camassanger; 05-04-2011 at 11:54 AM.
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