260z rev counter adjustment / fine tuning | The Z Club of Great Britain
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260z rev counter adjustment / fine tuning

Discussion in '240Z / 260Z / 280Z' started by AliK, Apr 15, 2019.

  1. AliK

    AliK
    Z Club Member
    Staff Member Moderator

    Does anybody know if this is the adjustment / calibration screw on the back of a 260z rev counter?

    Mine is consistently 10% optimistic across the range and I'd like to get it bob on if possible.

    [​IMG]
     
  2. jonbills

    jonbills
    ZClub Administrator
    Staff Member Moderator

    Dunno, but I found mine also reads about 10% over at idle.
    Twiddle it and see what happens....
     
  3. Mr Tenno

    Mr Tenno
    ZClub Administrator
    Staff Member Moderator

  4. AliK

    AliK
    Z Club Member
    Staff Member Moderator

    Thanks fellas - will have to geek out on that properly when I next have a few quiet moments. When I figure this one out I will post back.

    JB - mine is consistently 10% over all around the rev range.

    Bizarrely though, my speedo is 15% pessimistic at 30 but gets accurate at 90 (on the track of course)!

    That one I defo need to deal with as an indicated 30 is more like 35ish and indicated 50 on the motorway roadworks is closer to 60!
     

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