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Tank for Onboard Air

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 2Dogs, Jun 19, 2001.

  1. 2Dogs

    2Dogs 1/2 ton status Premium Member

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    Hello All,
    My current project is installing an onboard air tank. Thinking of mounting between rockers and frame on the driver's side.
    I think I made a mistake by ordering a cylinder that is 8" in diameter (hangs too low I think). Thus the question. What tanks do you all run? And where did you mount them?
    To the frame or body? Any pics?
    I have also read this post <A target="_blank" HREF=http://www.coloradok5.com/forums/showflat.pl?Cat=&Board=blazer4x4&Number=110527&page=&view=&sb=&vc=1>http://www.coloradok5.com/forums/showflat.pl?Cat=&Board=blazer4x4&Number=110527&page=&view=&sb=&vc=1</A>.
    Grim, do you still have a site? I will search....
    This tank will be temporary until I get bumpers with tanks. (might keep it if I can mount it good with no probs)


    Dave

    Don't Be Sexist - Broads Hate That
     
  2. scrapmetal

    scrapmetal 1/2 ton status

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    I bougt mine from a big truck wrecking yard, theres piles of them and you can get any size you want just about. I have one on my Blazer and have it mounted on top of the fender well, it wedges in between the lip of the camper and the fender well, works for me, I have heard that bumpers compressed with air have been knwon to explode when getting nailed by a rock, not for me, just a thought

    Never been stuck, just temporarily delayed.
     
  3. BIGJ

    BIGJ 1/2 ton status Author

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    I also got mine from a semi salvage yard for about 15 bucks. It even came with the clamps to mount it to the floor. Here's a pic:
    <A target="_blank" HREF=http://www.holsted.com/york/tank3a.jpg>http://www.holsted.com/york/tank3a.jpg</A>
    (this one should work)

    BIGJ

    <P ID="edit"><FONT SIZE=-1>Edited by BIGJ on 06/20/01 09:49 AM (server time).</FONT></P>
     
  4. bandit

    bandit 1/2 ton status

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    im going to build mine put dual tanks on each side where the rockers are then use them as rock sliders too i put a strong plat on the bottom are a few supports in side weld it up tell its sealed and then mount it tothe frame

    AJ
    Soon to wheelin spot near you
    Project Harvey[​IMG]
     
  5. 2Dogs

    2Dogs 1/2 ton status Premium Member

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    OK. I'll look for a semi wrecking yard. Probably will not have much luck here tho. How many fittings were on your tanks?

    Bandit - are you making brackets/supports that go under the body truss to the frame?

    What diameter tanks are you all working with?

    Thanks.

    Dave

    Don't Be Sexist - Broads Hate That
     
  6. laketex

    laketex 3/4 ton status

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    how come you never see any rectangular air tanks? Something about air pressure in the corners or something? I was thinking since my fuel cell is now in the bed, I might do an underbed tank where the gas tank used to sit. Could I make it square and have it work?

    Sherman, Tx
    <font color=red>Come Awn yall...Let's go to LUCHENBACH, TEXAS!!!
    </font color=red>
     
  7. Triaged

    Triaged 1/2 ton status

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    If you make it square the center of the sides will bulge out (it will try to make itself round).

    '71 Blazer CST with alot of rust
     
  8. 2Dogs

    2Dogs 1/2 ton status Premium Member

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    BIGJ,
    That is a nice setup. It looks like a 6" tank...?
    I will look again but I think my exhaust is in the way. Where is yours routed?

    Dave

    Don't Be Sexist - Broads Hate That
     
  9. bandit

    bandit 1/2 ton status

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    What i plan to do bolt the Tank/box in as many places as i can so it wont move at all not sure exactly how have really started it yet jsut in my head fora when the shop is slowed down [​IMG]

    AJ
    Soon to wheelin spot near you
    Project Harvey[​IMG]
     
  10. BIGJ

    BIGJ 1/2 ton status Author

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    My exhaust is routed in front of the rear tires for now. But I plan on moving it behind the tires soon b/c it gets bashed on the rocks too much. The tank is roughly the same size as the 2.5 gallon one that <A target="_blank" HREF=http://www.onboardair.com>http://www.onboardair.com</A> sells. The tank I found had about 8 or so fittings on it.

    BIGJ
     

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