GT4 valve shims | FerrariChat

GT4 valve shims

Discussion in '308/328' started by eurogt4, Apr 1, 2009.

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  1. eurogt4

    eurogt4 Karting

    Apr 15, 2006
    243
    Sacramento, CA
    Full Name:
    Mike
    Does anyone know what the outside diameter of GT4 valve adjustment shims is? I have 2 boxes of shims, I know one is the correct size. One box has shims that are close to 33mm, the other is about 31mm. I am pretty sure I need the 33's, but would like someone to confirm. Thanks, Mike
     
  2. Brian Harper

    Brian Harper F1 Rookie
    Owner Silver Subscribed

    Feb 17, 2006
    4,078
    San Jose area
    Full Name:
    Brian Harper
    Mine measured 32.96mm. I think you'd call that 33mm.
     
  3. eurogt4

    eurogt4 Karting

    Apr 15, 2006
    243
    Sacramento, CA
    Full Name:
    Mike
    Thanks, that's what I needed
     

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