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What angle is most effective for a shock to be??

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 77Blazer, Feb 24, 2002.

  1. 77Blazer

    77Blazer 1/2 ton status

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    My friend owns a plasma cutter and we are going to cut holes in my bed to extend the rear shock mounts. The question I have is what angle would get the most out of em??? right now (stock im guessing they are at a 75 degree angle I was thinking about putting em at a 90 and not have them tilting in or out at all. any ideas???

    350, sm465, NP205, 14ff w/detroit, yucky ten bolt 4" springs,38.5x14.5 swampers
    <a target="_blank" href=http://www.planettribes.com/theden/gontw/nsig.jpg>http://www.planettribes.com/theden/gontw/nsig.jpg</a>
     
  2. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    30 degrees from vertical is the ideal situation. If you mount them straight up and down you will get a very harsh ride and very little stability.

    1989 blazer, 383 stroker, D44 / 14FF, 4.56, locked, 35 BFG mud
    Scott
     
  3. Twiz

    Twiz 1/2 ton status

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    It all depends on the combination.
    Springs, shock valveing, axle-wrap, and keeping the shock-from binding.

    For the rear.
    I think staggering the rear shocks is the best way to go, it helps limit (or atleat calm-down) wheel hop.The right rear shock should be in-front of the axle for maximum bennifit.
    But again it all depends on the appication.

    What is your rear spring set-up. Is it stock with blocks, lift-springs, or shackle reverasal?

    <font color=white>.</font color=white>Eric
    <font color=white>.</font color=white>Twizted
     
  4. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

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    77Blazer,

    I'll go "against the grain" a little with my comments, and let you decide for yourself.....

    If you can get the shock perfectly vertical, that will be ideal for controlling the axle in an "up and down" direction. It may not offer much in the way of "axle wrap" prevention. I don't know as much about how the Chevy rear axle is set up....but from what I do recall, it is LESS susceptible to axle wrap in it's stock form than other types of trucks.

    As a shock is angled, it loses effectiveness....there are formulas to figure all that out. But one example: A shock mounted at a 30 degree angle is only 86% as effective as one mounted straight up and down.

    The OTHER big thing is to get the shock as close to the wheels (where the damping needs to be) as possible. The further inboard they get, the more "leverage" the wheel has against the shock, and the less effective it can be.

    Steve Watson had some other good comments about this topic....I think it was on the ORD board a few weeks ago.....

    Anyway, that's my .$.02



    -Greg72

    '72 K5 Blazer - 427BB/TH350/NP205/6" Lift/35x12.50's
    <font color=blue>See it here: </font color=blue><a target="_blank" href=http://coloradok5.com/gallery/albun38>http://coloradok5.com/gallery/albun38</a>
     
  5. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

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    I found that thread....here ya go:

    See it here: </font color=blue><a target="_blank" href=http://coloradok5.com/gallery/albun38>http://coloradok5.com/gallery/albun38
     
  6. 77Blazer

    77Blazer 1/2 ton status

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    Twiztid my rear setup is a 14ff w/detroit w/ 4" springs and my purpose is just to add a lil more travel to get a lil more flex on the rocks cause right now i am limited my my shocks for suspension flex. Overall Im going just for a univerally well rounded rig.

    350, sm465, NP205, 14ff w/detroit, yucky ten bolt 4" springs,38.5x14.5 swampers
    <a target="_blank" href=http://www.planettribes.com/theden/gontw/nsig.jpg>http://www.planettribes.com/theden/gontw/nsig.jpg</a>
     
  7. 77Blazer

    77Blazer 1/2 ton status

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    thnx Greg and the rest for the info

    350, sm465, NP205, 14ff w/detroit, yucky ten bolt 4" springs,38.5x14.5 swampers
    <a target="_blank" href=http://www.planettribes.com/theden/gontw/nsig.jpg>http://www.planettribes.com/theden/gontw/nsig.jpg</a>
     

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