heat range

Discussion in 'Engine, Fuel and Exhaust' started by kemo, Jan 19, 2009.

  1. kemo

    kemo R.I.P

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    When you change cams and air filter and rejet the carb and use free flowing mufflers do you have to change the spark plug heat range
     
  2. glider

    glider Veteran Member

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    It shouldn't be necessary unless you have a problem with plug fowling because of the cam choice.