Operation CHARM: Car repair manuals for everyone.

Brake Drum

All drums have a discard dimension cast into them. This is a wear dimension and not a refinish dimension. Any drum which does not meet the specification should be replaced.
Inside Diameter 7.879 Inch (in)
Runout 0.006 Inch (in)
Maximum Re-bore Diameter 7.899 Inch (in)
Discard Diameter 7.929 Inch (in)