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tmbyrne66
04-17-2013, 10:24 PM
I have a 07 OBV with gravity I (center locker bag). Have been filling rear sacs manually for surfing but looking to upgrade to auto fill/reversible system i.e. gravity III. Any advice on best way to upgrade. Can I utilize anything with the gravity I or do I simply need new system for the rear. Mostly surf and really looking to maximize one side fill in rear as all our riders go regular. Have had decent wake but I know we really need more weight. Thx.

kaneboats
04-17-2013, 11:26 PM
Call Wakemakers and talk it over. They will help you design an affordable way to reach your goals. Or just start buying used stuff when people upgrade and then drill some holes in the boat. Wakemakers is probably the shorter route and cheaper in the long run though.

wolfeman131
04-17-2013, 11:40 PM
Start w/ 2 reversible pumps, a 750 for the port rear and an IBS. Add a 3rd reversible pump to replace the aerator pumps on the center when you get some more $$. Call wakemakers as Kane said.

tmbyrne
04-18-2013, 12:09 AM
Call Wakemakers and talk it over. They will help you design an affordable way to reach your goals. Or just start buying used stuff when people upgrade and then drill some holes in the boat. Wakemakers is probably the shorter route and cheaper in the long run though.

OK sounds like my plan is to call them and go over. Thx for reply.

tmbyrne66
04-25-2013, 12:20 AM
Thanks again for the reply. I spoke to Spencer at Wakemakers and we agreed 2 reversible pumps will be the way to go. He suggested just keeping the system intact for the current ski locker and add 750 for rear, 600 IBS running off 2 new pumps. I have two 450 fly high sacks and he suggested using one port side seat if no people in boat. He gave me the suggested 'kits' including the install components. I was wondering if anyone had any suggestions on links to good threads I can access to see anyone that has had some previous experience with similar project for 07 OBV or similar. Wondering about best place to mount pumps, switches, see pics etc... I'm sure there are some threads but having some issues searching them out. Thanks.

jstenger
04-25-2013, 10:39 PM
I upgraded from a Gravity I to a Gravity III on my OBV. I did not use the reversable pumps, but I did have to add two switches just like you need to do, so I have a suggestion for those. I did not want to cut any more switch holes, so I rearranged and combined some of the existing switches. My final outcome was below.

http://i1217.photobucket.com/albums/dd382/Joestenger/2013-04-25160447.jpg (http://s1217.photobucket.com/user/Joestenger/media/2013-04-25160447.jpg.html)

My original switch configuration from left to right was "NAV/ANC" - "COURTESY" - "BILGE" - "STEREO" - "DOCKING" - "BALLAST". I removed the "COURTESY" and "DOCKING" light switches. I then moved the "STEREO" switch to the "COURTESY" spot. That left me two empty spaces next to the original ballast switch. I connected the courtesy lights to the dash lights which was fairly simple. If you have docking lights, the rewiring is a little more involved, but fairly simple. I can go in depth if needed.

parrothd
04-25-2013, 11:29 PM
http://img.tapatalk.com/d/13/04/26/ubezu6ur.jpg

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tmbyrne66
04-28-2013, 04:14 PM
Joe - I think this is a preferable route as the throttle area is really taken up so I would like to just rework existing panel. I do have the courtesy lights. If you have some additional information on how you completed that would be great. Thanks.

jstenger
04-28-2013, 06:04 PM
I am out of town right now. I will give a full detail of the wiring within a couple of days.

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jstenger
04-28-2013, 06:07 PM
Please post a pic of your current switches.

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tmbyrne
05-03-2013, 02:39 PM
Joe,
Thought I would have been able to get to the boat but still in storage and too far back to take a picture. Wont be out for two weeks when I was planning on starting project. Will try and shoot pictures then. Thanks.

tmbyrne66
05-14-2013, 12:41 AM
Worked with Jason at Wakemakers and have decided on 2 Johnson reversible pumps, adding new 750 for port side locker, installing one of the 400 sacs I own in starboard, and adding IBS. Current GI system stays as is. The IBS and Starboard will be one same one pump with switchable valve. Keeping current GI center locker system intact and just going to keep that switch on current dash panel and adding the 2 new switches to panel by throttle. Tried searching for similar threads of this project for 2007 OBV but did not find any. Wondering if anyone has any helpful pictures/diagrams etc... that could help. Especially wondering where/how may have mounted the reversible pumps in the OBV. I have looked at some videos installing the thru hull but thats about it at this point. Thx.

parrothd
05-14-2013, 01:04 AM
http://www.moomba.com/msgboard/showthread.php?t=21891

Same boat..

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