Cutlass V6-191 3.1L VIN M SFI (1998)
Brake Drum: Specifications
Inside Diameter
8.868 in
Runout
0.004 in
Maximum Diameter After Refinish
8.889 in
Discard Diameter
8.909 in
All brake drums have a discard dimension cast into them.
Replace any drum that does not meet this specification.
After refinishing the drum, replace any drum that does not
meet the maximum diameter or minimum thickness after
refinish specification.
