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I need help with air bags

Discussion in 'Towing & Hauling' started by 510Krish, Nov 29, 2018.

  1. Nov 29, 2018 at 11:22 PM
    #1
    510Krish

    510Krish [OP] New Member

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    so I have a 2018 CM 4x4 lifted 6in. So from what I know procomp lifts them 6in in the front and 4in in the back. So the problem is that I don’t know what size spacers to use. Do I use the 6in spacers or the 4in? Can someone link me the correct spacers and what I’m planning to do is have a wireless one and then have the bags on a cradle with the spacers. I would appreciate it if someone could link me the correct spacers and let me know if what I’m trying to do will work or not.
     
  2. Nov 30, 2018 at 8:57 AM
    #2
    jeremyd

    jeremyd 2014 Crewmax SR5

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  3. Nov 30, 2018 at 10:25 AM
    #3
    510Krish

    510Krish [OP] New Member

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  4. Nov 30, 2018 at 10:29 AM
    #4
    jeremyd

    jeremyd 2014 Crewmax SR5

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  5. Nov 30, 2018 at 10:36 AM
    #5
    jeremyd

    jeremyd 2014 Crewmax SR5

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  6. Nov 30, 2018 at 11:12 AM
    #6
    510Krish

    510Krish [OP] New Member

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    Just what I’m looking for! Do you also have a 6in lift? And how do I install the spacer?
     
  7. Nov 30, 2018 at 11:41 AM
    #7
    jeremyd

    jeremyd 2014 Crewmax SR5

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    yes. I have the ProComp 6 inch. The spacer bolts on to each bag. Super simple, you can install the whole system in 45 mins.
     
  8. Nov 30, 2018 at 12:28 PM
    #8
    Cuzican

    Cuzican New Member

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    If the back end is lifted with just a block, you shouldn't need a spacer under the bag, as the leaf springs stay in the same place relative to the frame. You will need the extended support that extends the support leg down to meet the axle tube.
     
    15whtrd likes this.
  9. Nov 30, 2018 at 12:59 PM
    #9
    jeremyd

    jeremyd 2014 Crewmax SR5

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    The OP is specifically asking about a Procomp 6 inch lift which does indeed contain a AAl and a block. Based off of my own experience of installing it, if you don’t use the spacer the bag will be stretched 2 inches in the normal resting position of the suspension. It won’t look right and I’m positive unless you have Superman fingers you will not be able to stretch that bag to install it. If by the slim chance you can get it installed, you have just created the situation that we all with bags avoid when we take it in for a wheel rotation,( hanging by the bags ) That’s why people who off-road prefer the cradles..
     
  10. Nov 30, 2018 at 3:40 PM
    #10
    510Krish

    510Krish [OP] New Member

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    Hey so I was just looking at the bags, so will the bags you linked work with my 2018 tundra? Because it says it only works with the 07-13 models.
     
  11. Nov 30, 2018 at 3:44 PM
    #11
    jeremyd

    jeremyd 2014 Crewmax SR5

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    I’m not sure if they changed anything on the rear. Somebody on here knows though..
     
  12. Nov 30, 2018 at 5:31 PM
    #12
    jeremyd

    jeremyd 2014 Crewmax SR5

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  13. Nov 30, 2018 at 6:01 PM
    #13
    easleycrawler

    easleycrawler TOYOTA ADDICT

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    I know the op is asking about spacers for the bags. But I read today, that if you use the Daystar cradles with the Firestone bags, it voids the warranty on the bags from Firestone. Just a little fyi for the guys/gals with the cradles.
     
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  14. Nov 30, 2018 at 7:44 PM
    #14
    510Krish

    510Krish [OP] New Member

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  15. Nov 30, 2018 at 7:46 PM
    #15
    510Krish

    510Krish [OP] New Member

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    But how is Firestone going to know? When it goes bad just take the cradle off and then send them over a picture or how ever it works for the warranty.
     
  16. Nov 30, 2018 at 7:51 PM
    #16
    easleycrawler

    easleycrawler TOYOTA ADDICT

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    Good point. Have no clue how they would know.
     
  17. Nov 30, 2018 at 7:57 PM
    #17
    jeremyd

    jeremyd 2014 Crewmax SR5

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    Not me ! I bought mine used for 100 bucks ! lol
     
  18. Dec 1, 2018 at 7:09 AM
    #18
    Cuzican

    Cuzican New Member

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    If rhe pro comp lift uses a 2" AAL and a 2" lift block, then you should have a 2" spacer under the bag and a 2" support leg extension. Without the support leg extension you are at risk of the lower bracket bending on you. I've attached a pic of the leg extension I'm talking about, you can see the original bracket, behind the leg extension, is no longer even close to resting on the axle tube.

    20181201_090722.jpg
     
  19. Dec 1, 2018 at 7:44 AM
    #19
    jeremyd

    jeremyd 2014 Crewmax SR5

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    IMG_338455.jpg
    The Procomp 6 inch lift doesn't use a 2 inch block. But Ok..

    I'm pretty sure you would have to jump this truck to bend that lower bracket.
     
    Last edited: Dec 1, 2018
  20. Dec 1, 2018 at 8:14 AM
    #20
    Cuzican

    Cuzican New Member

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    OK..., regardless if the block is 1" or 5", it will space the support leg off of the axle tube and open up the possibility of bending the lower bracket. You do what you want, I'm just saying that the proper install would result in the support leg actually making contact with the axle tube. So, however much lift the AAL gives will require a spacer that size between the bag and bracket and however big the block is, will require a leg extension that size. This all due to the fact that the firestone kit does not place the bag over the leaf springs, so any weight will need to be supported properly, a small 1/4" gap, maybe 1/2" might be ok, if it bends the bag can accept some articulation. Depending on how it bends though, you do have a small risk of tearing a bag, or if just one side bends, the truck will no longer sit level when supporting weight.

    IMG_4915.jpg
     
    15whtrd likes this.
  21. Dec 1, 2018 at 8:20 AM
    #21
    jeremyd

    jeremyd 2014 Crewmax SR5

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    I agree, the support bracket wouldn't hurt. Mine has been on for 4 years so I'm leaving it. And I still believe you would have to jump this thing to bend that bracket.
     
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