===== Stock Z31 Brake Information =====
==== Basic Info ====
  * SF models are all NAs and all of Canadian origin.
  * 1984 and 1985 NAs and 1986 SF models are 4 lug. All other models/years are 5 lug.
  * All year Z31 front brakes are vented.
  * 1984-1986 rear brakes are solid. All others are vented.
  * 1987-1989 front turbo brakes are dual piston style. All others are single piston.
==== Brake Chart ====
^ ^^ # of  ^  Brake Type  ^^  Rotor Diameter  ^^  Minimum Thickness  ^^
^ ^^  Lugs  ^  front  ^  rear  ^  front  ^  rear  ^  front  ^  rear  ^
^  1984-1986  ^  SF (NA)  |  4  |  CL28VA  |  CL14H  |  250 mm  |  258 mm  |  20 mm  |  9 mm  |
^  1984-1985  ^  GL/GLL (NA)  |  4  |  CL28VB  |  CL14HB  |  274 mm  |  290 mm  |  20 mm  |  9 mm  |
^  1986  ^  GL/GLL (NA)  |  5  |  CL28VB  |  CL14HB  |  274 mm  |  290 mm  |  20 mm  |  9 mm  |
^  1984-1986  ^  GL/GLL (T)  |  5  |  CL28VB  |  CL14HB  |  274 mm  |  290 mm  |  20 mm  |  9 mm  |
^  1987-1989  ^  SF/GL/GLL (NA) |   5  |  CL28VB  |  CL14HVB  |  274 mm  |  282 mm  |  20 mm  |  18 mm  |
^  1987-1989  ^  GL/GLL (T)  |  5  |  CL28VE  |  CL14HVB  |  280 mm  |  282 mm  |  24 mm  |  18 mm  |