Some instructions will tell you to file off any high spots on the mating face of the ring gear. Now, that might work with junk ring and pinion gearsets but I have yet to see a Richmond Gearset with Flash or Burrs.
Title: Some instructions will tell you to file off any high spots on the mating face of the ring gear. Now, that might work with junk ring and pinion gearsets but I have yet to see a Richmond Gearset with Flash or Burrs.