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Ring Grinder

Piston Ring Grinding Wheel

Goodson Piston Ring GrinderGrinding wheel used to file oversized rings down until the ring gap is at the preferred size for the engine.

How to use a Piston Ring Grinder:

Goodson Powered Piston Ring GrinderTheir our many types from hand crank to powered.
Piston ring grinder as seen in Basic Engine Building:

ALT TEXTOnly squeeze the expander far enough to get the ring to slip down into it's groove. Always use both hands to control the expander and the ring itself.
Tools and