Reply To: Meaturing Rods

Home › Forum › Ask A Member › Meaturing Rods › Reply To: Meaturing Rods

March 24, 2022 at 1:17 pm #256777
DAN UMBARGER
Participant

    US Member

    They could be tubes to supply extra oil to the upper and lower crank bearings. They sure seem to make these engines run leaner so it could be an attempt to lengthen then bearing life.