Spark Plug #4
These shots were taken right off the higway after extended cruise (2 + hours) at 70 MPH, about 2,800 RPM. I do run side cut plugs, the ground strap wear is normal, the electrodes are worn. These plugs have about 7K miles on them.
These shots were taken right off the higway after extended cruise (2 + hours) at 70 MPH, about 2,800 RPM. I do run side cut plugs, the ground strap wear is normal, the electrodes are worn. These plugs have about 7K miles on them.