1971 production
information
Production - GTO & Judge Hardtop:
400 ci 300 hp manual               2,011
400 ci 300 hp automatic           6,421
455 ci 325 hp automatic              534
455 ci 335 hp manual HO            476
455 ci 335 hp automatic HO        412

Total:  9,854

Production - GTO & Judge Convertible:
400 ci 300 hp manual                  79
400 ci 300 hp automatic             508
455 ci 325 hp automatic               43
455 ci 335 hp manual HO             21
455 ci 335 hp automatic HO         27

Total:   678

Engine Block Codes:

WT for 400 ci 300 hp 3-speed
WK for 400 ci 300 hp 4-speed
YS for 400 ci 300 hp automatic
YC for 455 ci 325 hp automatic
WL for 455 ci 335 hp 3-speed HO
WC for 455 ci 335 hp 3-speed HO
YE for 455 ci 335 hp automatic HO

Cylinder Head  Casting Numbers:
96 for 400 ci 300 hp
66 for 455 ci 325 hp
197 for 455 ci 335 hp

Distributors:
1112070 for 400 ci 300 hp
1112072 for 455 ci 325 hp
1112073 for 455 ci 335 hp HO
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