Quick question, AAN flywheel diameter?

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  • Thuppu
    S2Forum Freak
    • Sep 2010
    • 4115
    • Country: Finland

    #1

    Quick question, AAN flywheel diameter?

    Couldn't find the data or measure my own atm. What is 3B/AAN/ABY/ADU flywheel total diameter with the toothgear?

    Audi UrS4 Avant 2.5 20vt - twincharged - Project
    Audi 80q B4 Sedan 2.2 20vt - Daily user
    BMW 320d Touring e91 M-Sport - Daily user
    BMW 740iA e38 - Project
  • UrS4boy
    S2Forum Obsessed
    • Feb 2006
    • 11859
    • Country: Canada

    #2
    Originally posted by Thuppu
    Couldn't find the data or measure my own atm. What is 3B/AAN/ABY/ADU flywheel total diameter with the toothgear?
    As close as I can measure my NIB AAN DMFW, 287 mm tooth tip to tooth tip, across the center hole of the pilot bearing housing (backside, not transmission side)

    RS2'd 93 UrS4 5 spd sedan
    94 UrS4 V8 6 spd manual avant

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    • Thuppu
      S2Forum Freak
      • Sep 2010
      • 4115
      • Country: Finland

      #3
      Ok, thanks Dave. That was smaller than I thought.

      Audi UrS4 Avant 2.5 20vt - twincharged - Project
      Audi 80q B4 Sedan 2.2 20vt - Daily user
      BMW 320d Touring e91 M-Sport - Daily user
      BMW 740iA e38 - Project

      Comment

      • _ShurikeN
        S2Forum Maniac
        • Mar 2010
        • 733
        • Country: Russian Federation

        #4
        I remember INNER diameter of detachable toothed ring of single-mass flywheels is 255 (self-measured).
        I know it is not about AAN at all, but let the figure be posted here for some sort of sake.

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