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Thread: Rear coil overs

  1. #1

    Rear coil overs

    Just a question,have 2000 lb 750 h/p mudracer with a glide and 39.5 cuts that the right rear twists very bad.Have dbl. adj. qa1 shocks and the only way to control this is to install a 400 plus rate in the right rear.This is not normal for diff. spring rates to compensate is this or should i be looking into diff. shocks to help my problem. :? :?

  2. #2
    Senior Member DYNO OPERATOR
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    Does it have an anti roll bar on the rear suspension?

    TS1955

  3. #3
    Thanks , no i do not, that would help with this prob. ops:

  4. #4
    Senior Member RACING JUNKIE TheRabbit's Avatar
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    Re: Rear coil overs

    Quote Originally Posted by showbusiness
    Just a question,have 2000 lb 750 h/p mudracer with a glide and 39.5 cuts that the right rear twists very bad.Have dbl. adj. qa1 shocks and the only way to control this is to install a 400 plus rate in the right rear.This is not normal for diff. spring rates to compensate is this or should i be looking into diff. shocks to help my problem. :? :?

    I'm confused. What do you mean the right rear twist bad? You shouldn't be running more than a 110- 125lb on the back and the shocks set about in the middle. I as well as many other mud racers run the same shocks.

  5. #5
    Thanks, What is happening is that when launching the body goes down on the right rear so to help this issue i have been stiffening the spring rates on the right to keep body level on rear thus keeping the left front from lifting too high.

  6. #6
    Senior Member RACING JUNKIE TheRabbit's Avatar
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    Quote Originally Posted by showbusiness
    Thanks, What is happening is that when launching the body goes down on the right rear so to help this issue i have been stiffening the spring rates on the right to keep body level on rear thus keeping the left front from lifting too high.
    An anti-roll bar would help, but something still doesn't sound right.
    Can you post a video of it?

  7. #7
    Hi,just think of sitting in your truck and the torque twist occurs when trans braking at 5-6000 ,what happens does b ody twist or do you shoot out straight and level ,best way to simulate with out video .Thanks

  8. #8
    Senior Member RACING JUNKIE TheRabbit's Avatar
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    Anti Roll bar will help that, but leaving that hard hits the suspension to hard, blows the dirt out from under the tires and kills your time by more than a tenth. (in 200 feet).

  9. #9
    Have a 3 link rear,4 link front ,is there a way to install a anti roll bar on this setup.The diff. is a dana 44 narrowed to approximately 44 in. flange to flange with 15 in. carbon fibres at 5 in. back spacing if this helps any ops:

  10. #10
    Senior Member RACING JUNKIE
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    I am not a mud racer, and not sure how chassis react to mud, but is it possible there too much pre-load jacked into left front spring, puting more bite into your right rear, just thinking.


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