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  1. #1
    Join Date
    Dec 2008
    Posts
    139

    Default What will happen if...

    On a clamped 4 bar set up with the Lr spring in front. RR spring on top. Shorten the RR chain to about one inch of slack and have the top bar at 7 deg. and lower bar at 5 deg. angle. Driver wants to get the car to roll over on the right rear. Will this do it or what can be done if any thing ? Right now the RR spring is a 225 and a 94 shock. THX

  2. #2
    Join Date
    May 2007
    Location
    Batavia, OH
    Posts
    13,615

    Default

    Quote Originally Posted by badfast47 View Post
    On a clamped 4 bar set up with the Lr spring in front. RR spring on top. Shorten the RR chain to about one inch of slack and have the top bar at 7 deg. and lower bar at 5 deg. angle. Driver wants to get the car to roll over on the right rear. Will this do it or what can be done if any thing ? Right now the RR spring is a 225 and a 94 shock. THX
    Not sure what current bar angles are, but that setup should result in lots of wheelies.
    Modern Day Wedge Racing
    Florence -1

  3. #3
    Join Date
    Dec 2008
    Posts
    139

    Default

    Didn't do much but make things worse. Back to the original set up

  4. #4
    Join Date
    May 2007
    Posts
    1,395

    Default

    Soften RR, pitch in harder, more j-bar, lower top RR bar 1 hole. There's several ways but why and what's the goal? My assumption is looking for a feel and I think I'd drop RR upper and put a split valve shock on RR to hold it there once rolls.

  5. #5
    Join Date
    Jan 2012
    Posts
    111

    Default

    Quote Originally Posted by badfast47 View Post
    On a clamped 4 bar set up with the Lr spring in front. RR spring on top. Shorten the RR chain to about one inch of slack and have the top bar at 7 deg. and lower bar at 5 deg. angle. Driver wants to get the car to roll over on the right rear. Will this do it or what can be done if any thing ? Right now the RR spring is a 225 and a 94 shock. THX
    Raise the fuel cell, battery and any lead up.

  6. #6
    Join Date
    Aug 2016
    Posts
    212

    Default

    Level your top link out some by dropping it on the housing one hole..Drop j bar on frame and pinion to keep same angle but lower in car. Keep your rear trailing arm bar angles the same. Should get more RR roll that way. If all else fails take some RR load out of the car.

  7. #7
    Join Date
    Aug 2016
    Posts
    212

    Default

    A good RR shock for a modified would be like a 3 compression 6 rebound unless you're on a heavy track than a 3-3 or 4-4 is good.. Even though those numbers really mean nothing... It's an approximation.

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