Please type in the fields below the relevant values and as you do that the result will be calculated and displayed.

  1. Desired valve clearance: Intake Exhaust:
  2. Size of currently used shims
    Intake:
    Exhaust:

  3. Measured clearance of currently used shims (millimeters inches)
    Intake:
    Exhaust:

  4. According to the data above, the following new shim sizes are recommended
    Intake:
    Exhaust:

  5. If new shims of the following sizes are installed
    Intake
    Exhaust:

  6. Then the new valve clearances are
    Intake:
    Exhaust:

Updated shim size calculator can be found at: http://www.cs.toronto.edu/~relu/tools/shimcalc.html

Feedback and/or feature requestes are appreciated and can be sent to ohmega[at]gmail.com

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