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  1. #11

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    Quote Originally Posted by UNSTUCK View Post
    Yeah, most airbag systems use the Schrader valves attached to the rear bumper. You just fill them up with your air compressor till you’re happy with the ride height of the truck. This is fine for a TT.
    Try hooking the boat to your truck then adjust your air bags to your ride height. Then unhook the trailer. See how that affects the height of the truck.
    yes, that's what I have installed (Schrader valve) -- . but don't have a boat again till the spring to try it with... so you are saying once the boat comes off the trailer, the rear end is gonna go popping up? so- you have to deflate it / inflate it every time you drop your boat in?
    2021 Mojo - on order (April 2021)
    2018 MAX - sold - 250 hours, absolute awesome boat.
    2017 Nissan Titan SV 4x4

  2. #12
    Join Date
    Jun 2020
    Posts
    225

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    Quote Originally Posted by Dank View Post
    yes, that's what I have installed (Schrader valve) -- . but don't have a boat again till the spring to try it with... so you are saying once the boat comes off the trailer, the rear end is gonna go popping up? so- you have to deflate it / inflate it every time you drop your boat in?
    Yes. Some systems come with an onboard compressor and regulator to adjust the range and ride on the fly. If you get a system with a compressor, make sure it is mounted high enough, and far enough forward so that it doesn’t intake water. I made the mistake of launching my first boat in a shallow launch and submersed the compressor in my Range Rover. $2k mistake, and 5 compressors later the manufacturer fixed the problem that kept making the new ones fail after 2 months.
    2020 SA 450 Wife calls it White Cloud. Said it makes her feel "Classy"
    2017 Sanger V215sx. We call it Viagra because it's the little blue pill that gets everyone up (Sold)

  3. #13

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    Quote Originally Posted by 2in2out View Post
    Yes. Some systems come with an onboard compressor and regulator to adjust the range and ride on the fly. If you get a system with a compressor, make sure it is mounted high enough, and far enough forward so that it doesn’t intake water. I made the mistake of launching my first boat in a shallow launch and submersed the compressor in my Range Rover. $2k mistake, and 5 compressors later the manufacturer fixed the problem that kept making the new ones fail after 2 months.
    I don't have the compressor... just a manual air valve. How much are we talking? like, an inch or two or ??? --- I guess I'll wait and see in the spring..
    2021 Mojo - on order (April 2021)
    2018 MAX - sold - 250 hours, absolute awesome boat.
    2017 Nissan Titan SV 4x4

  4. #14

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    On my truck it was several inches. I doubt a leaf spring f150 would be as bad though. I put the boat in the water one time and hated it so much that I installed the rest of the system the next week.

  5. #15

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    Quote Originally Posted by UNSTUCK View Post
    On my truck it was several inches. I doubt a leaf spring f150 would be as bad though. I put the boat in the water one time and hated it so much that I installed the rest of the system the next week.
    I don't have a boat currently... but I have a thousand LBS of lead I guess I could play with as a substitute (simulating tongue weight) .. lol
    2021 Mojo - on order (April 2021)
    2018 MAX - sold - 250 hours, absolute awesome boat.
    2017 Nissan Titan SV 4x4

  6. #16
    Join Date
    May 2018
    Posts
    2,676

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    Not too many wake boats will have 1000# tongue weight.

    Most dual axle boatmates are 7-8% tongue weight


    Sent from my iPhone using Tapatalk
    2021 Supra SA 400
    2018 Supra SA 400 (SOLD)
    Michigan

  7. #17

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    sweet! I'll put 700 on just to see if the rear end bounces back up after I take it off...
    a little puzzled about this whole thing.. I didn't think airbags raised the height of the rear... I thought it just gave it more "resistance" to getting pushed down...
    but what do I know? Never owned them before... and don't currently have a boat to test..

    I guess .... time will tell. My truck (2017 Nissan Titan sv 4x4 5.7 gas) towed our last boat (Max) great.. but the rear sag was there.. not terrible.. but there.. I know the Mojo is bigger heavier, but will have to carry less lead I think, due to the additional 1k of water ballast.. (4k vs. 3k)
    2021 Mojo - on order (April 2021)
    2018 MAX - sold - 250 hours, absolute awesome boat.
    2017 Nissan Titan SV 4x4

  8. #18

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    From the Airlift website FAQ's:

    Can air springs raise or lower my vehicle?

    Answer
    No. While adding air can cause your vehicle to ride an inch or two higher, air springs are not designed to raise your vehicle above factory height. If you DO want to lower your vehicle, visit Air Lift Performance, which feature air spring systems designed to replace your existing suspension for lowered stance and higher performance.
    2021 Mojo - on order (April 2021)
    2018 MAX - sold - 250 hours, absolute awesome boat.
    2017 Nissan Titan SV 4x4

  9. #19

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    That’s a bit misleading. They are saying the bags aren’t designed or intended to act as a lift kit. They will however cause lift. Think of having a flat tire. Now your truck is 2-6 inches lower. Put air in the tire the truck lifts up. Now put a bunch of weight in the bed. The tires squish out and the truck drops an inch. Add more air and the truck raises back up. The bags operate on the same principal.

    My RZX2 on a triple axle trailer has 1300 pounds of tongue weight. I think they set the trailer up wrong, but either way it is that heavy. Non issue with the air bags.

  10. #20
    Join Date
    May 2018
    Posts
    2,676

    Default Airbag installed - Real world towing experience?

    1300# tongue weight is absolutely set up wrong. Guessing that boat and trailer was roughly 7500-8000#?? That is 16-17% tongue weight.

    Boatmate trailers suggest between 5-10% which somewhat contradicts the 10-15% tongue weight rules of trailer towing.





    Sent from my iPhone using Tapatalk
    Last edited by larry_arizona; 11-26-2020 at 09:58 AM.
    2021 Supra SA 400
    2018 Supra SA 400 (SOLD)
    Michigan

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