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New: AST 4300 Inverted rear shocks for BMW E36

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  • New: AST 4300 Inverted rear shocks for BMW E36







    Just got these in from AST. We'd seen a small glimpse of something like this from them in a picture, which to us was automotive pr0n, and Brian told them "We must have them..." so they made us a set. We tweaked a few spec's to get:
    • AST 4300 triple adjustable
    • Inverted rear shock
    • Concentric Rebound knob
    • True coilover rear conversion


    We'll be putting these on our LS1 BMW soon...
    Terry Fair - www.vorshlag.com
    2018 GT / S550 Dev + 2013 FR-S / 86 Dev + 2011 GT / S197 Dev + C4 Corvette Dev
    EVO X Dev + 2007 Z06 / C6 Dev + BMW E46 Dev + C5 Corvette Dev

  • #2
    Re: New: AST 4300 Inverted rear shocks for BMW E36

    What is the advantage with going with inverted for the rears? unsprung weight? The upper eye looks nice.

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    • #3
      Re: New: AST 4300 Inverted rear shocks for BMW E36

      Yes...I also would like to know the reason for the inverted shock...

      Comment


      • #4
        Re: New: AST 4300 Inverted rear shocks for BMW E36

        Originally posted by BrianGT View Post
        What is the advantage with going with inverted for the rears? unsprung weight? The upper eye looks nice.
        1. reduction in un-sprung weight. Moves the heavier portion of the strut / shock body and attaches that to the chassis.

        2. reduction in flexing as the body of the strut / shock is attached to the chassis, not the moving suspension bits.

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        • #5
          Re: New: AST 4300 Inverted rear shocks for BMW E36

          Why inverted? Several reasons:
          • Less unsprung mass (the shock body no longer moves with the suspension, it stays static and only the rod + piston moves)
          • Makes mounting the reservoir inside easier
          • Works with a much shorter hose (less hysteresis)
          • Concentric knob makes for easy Rebound adjustments
          • Its pimpy


          (edit: john answered while I was writing the same thing, ha!)
          Terry Fair - www.vorshlag.com
          2018 GT / S550 Dev + 2013 FR-S / 86 Dev + 2011 GT / S197 Dev + C4 Corvette Dev
          EVO X Dev + 2007 Z06 / C6 Dev + BMW E46 Dev + C5 Corvette Dev

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          • #6
            Re: New: AST 4300 Inverted rear shocks for BMW E36

            Originally posted by Fair! View Post
            (edit: john answered while I was writing the same thing, ha!)
            Hey.... I gave you a week

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            • #7
              Re: New: AST 4300 Inverted rear shocks for BMW E36

              Brilliant! Thanks guys.

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