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roll cage

Discussion in 'The Garage' started by 74beater, Sep 22, 2003.

  1. 74beater

    74beater 1/2 ton status

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    i'm about to buy a jegs cage for my jimmy...how should i attach it to the frame..i was thinking about some 2x2 sq tubing off of the frame...please advise
     
  2. earl87gta

    earl87gta 1/2 ton status

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    I would check out the speedway cage as well before you buy the Jegs cage I think they are a little cheaper and their cage is desined to bend down and weld to the out side of the frame.
     
  3. Chris Demartini

    Chris Demartini 1/2 ton status

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    <font color="blue">I didnt know Jeg's made a Blazer cage /forums/images/graemlins/thinking.gif. Check the tube size before you order, dont use anything smaller than 2" x .120"
     
  4. 74beater

    74beater 1/2 ton status

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    JEGS CAGES ARE 1.75..IT'S THE CAGE FOR THE P/U
     
  5. 74beater

    74beater 1/2 ton status

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    WHAT THE WEB SITE FOR SPEEDWAY...
     
  6. bablazer73

    bablazer73 1/2 ton status

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    all i can say is S@W, S@W, S@W !!!!
    all i ever used in the race cars. I've got one in my 73 blazer.
     
  7. 74beater

    74beater 1/2 ton status

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    thanks brother
     
  8. KrebsATM02

    KrebsATM02 1/2 ton status

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    [ QUOTE ]
    <font color="blue">I didnt know Jeg's made a Blazer cage /forums/images/graemlins/thinking.gif. Check the tube size before you order, dont use anything smaller than 2" x .120"

    [/ QUOTE ]

    check what material the tubing is hrew or DOM. Most people say DOM is overkill, but not when it's my life.

    1.75"x1.25" DOM is fine... also look at the cage design.
     
  9. weisel

    weisel 1/2 ton status

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    Why is DOM better than regular tubing? There both made of the same steel, but one has a seam, and one dosn't.
     
  10. yellowK20

    yellowK20 Well Lubricated Premium Member GMOTM Winner

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    they both have a seem just on D0M you can see it from the outside
     
  11. thezentree

    thezentree 3/4 ton status

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    dont quote me, cause i dont really know what im talkin about, but i would guess that the tubing with the seam would be weaker than the solid tubing (DOM?), as the seam would create a weak point? correct me if i'm wrong... /forums/images/graemlins/ears.gif
     
  12. Waxer

    Waxer 1/2 ton status Author

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    [ QUOTE ]
    Why is DOM better than regular tubing? There both made of the same steel, but one has a seam, and one dosn't.

    [/ QUOTE ]

    They both aren't made from the same steel. HREW tubing is made from 1010 steel, while DOM is made from 1020 (a stronger steel), the process in which its made also adds to the strength)
     
  13. earl87gta

    earl87gta 1/2 ton status

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    http://speedwaymotors.com Their DN is 402-323-3200 thier complete cage 16 point is $449 but you probly wouldnt want all of that it has the door cage kit and the engine compartment cit with it for that price. I was going to see how much more it would be for them to leave the top rails longer so I could make a famly cage out of it I wish I had a scanner so I could scan the pic of the cage for you.
    Earl
     
  14. earl87gta

    earl87gta 1/2 ton status

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    I almost for got thier cage goes threw the cag and ties in to the frame under the truck it would be a perfict place to weld in a set of rock sliders.
    Earl
     
  15. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Not to be too technical about it, but the grade of steel isn't necessarily tied to the DOM vs. HREW. DOM vs. HREW is strictly the process. DOM is HREW with more work applied. But, usually DOM is found in better grades of steel such as 1020 or 1028 while HREW is most often found in 1010 or similar depending on local demands. Though it would be entirely possible to have 1010 DOM and 1020 HREW...
     
  16. BlazerGuy

    BlazerGuy 3/4 ton status

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    Thanks for clearing that up, Professor! /forums/images/graemlins/tongue.gif /forums/images/graemlins/wink.gif
     
  17. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Both are seamed tube though. DOM is built to tighter dimensional tolerances than HREW. Wall thickness does not vary as much...we're talking in thousanth's of an inch though.

    HREW is perfectly fine for roll cage material...unless you're doing 140mph in the desert or you have an unusually large wallet./forums/images/graemlins/smile.gif

    I have more concerns about weld quality and design than whether it's DOM or HREW.

    Rene
     
  18. bablazer73

    bablazer73 1/2 ton status

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    Im 2nd that! It doesn't matter type of steel if it isn't welded right!!
     
  19. weisel

    weisel 1/2 ton status

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    I can't see the .1 percent more carbon that 1020 has over 1010 would make that much difference anyways.

    I found out today how DOM was made. A rod is peirced through the center with a pointed shaft held by 4 to 6 sharpend spokes. The red hot rod is pushed over the pointed shaft and cut by the spokes into 4 or more peices. It is then fused back together while still glowing hot. The tube is then allowed to cool, then drawn over a long (20+ foot) manderel to give it uniform thickness. The last process also puts some "cold roll" characteristics in the steel such as more surface tension.

    Just sharing what I learned. Kind of interesting.

    Anyways, I don't see the need to use DOM for a cage unless I had extra money laying around with nothing to spend it on (Hardly the case).
     
  20. 74beater

    74beater 1/2 ton status

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    YALL ROCK...THANKS FOR EVERYTHING GUYS...

    ALL HAIL THE ALMIGHTY SAWZALL
     

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