AST 4100 Setup Thread

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  • samiam3356
    E30 Mastermind
    • Jul 2009
    • 1901
    #1

    AST 4100 Setup Thread

    Think it would nice to have different thread for all the different coilovers or suspensions out there and what spring rates people are using.

    This one I hope to have dedicated to AST's 4100 to keep misinformation at a minimum.

    I went with the z3 package because I'm running e36m fronts and 318ti trailing arms on the rear.

    Initial Set up
    Front Spring Rate = 600,
    Rear Spring Rate = 650
    Front Sway bar = Stock, may go a bit bigger
    Rear Sway Bar = Stock, may take off and see if I like it better

    Will get pics as soon as Jack gets me my rear springs to complete my suspension. :(

    Jack has offered to let me swap out springs until I get it the way I want it. Was going with 635/680 at first but he thought I should try this first. Would be nice to see what other people are running and how they like. Obviously, a lot will have to do with driving style but this may help with different setup for different tracks or kinds of racing.

    If there is not a lot of difference between coilovers then maybe we could use this as a general guide.

    Originally posted by Roysneon
    $5 shipped?
    Originally posted by MarkD
    You are a strange dude, I'n not answering any more posts from you.
    Tags: None
    • brian52555
      E30 Addict
      • Feb 2009
      • 425
      #2
      600 front
      700 rear

      Rebound is set at -1 click towards soft from being in the middle. Ride is really really stiff on my urethane subframe bushings.

      Running UUC swaybars as I had them installed before i decided to go coils.

      After getting the car aligned, it handles very very well and there is a lot of grip despite the relatively narrow 205 rt615s I'm running.

        Comment

        • tonywonder
          E30 Mastermind
          • Sep 2009
          • 1688
          #3
          i think my setup is the 500/600 but ill double check to make sure later. i havent installed these yet still getting other parts for the rest of the suspension. have you guys welded the m3 sway tabs?

          -brian how much did u cut off the stock housing to fit the shock?

            Comment

            • samiam3356
              E30 Mastermind
              • Jul 2009
              • 1901
              #4
              The z3 package comes with the linkage already on the strut. It is also height ajustable.

              Originally posted by Roysneon
              $5 shipped?
              Originally posted by MarkD
              You are a strange dude, I'n not answering any more posts from you.

                Comment

                • brian52555
                  E30 Addict
                  • Feb 2009
                  • 425
                  #5
                  Tony, if I recall it was exactly 2 cm. Definitely give Terry at Vorshlag a call though, it's worth the 2 mins to check.

                  I had my mechanic do the job as I can't weld. He pulled out the old Bilstein cartridge and compared it to the AST insert and confirmed that it was 2 cm.

                    Comment

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