1967 production
information
Production by Engine:
400 ci 255 hp                       2,967
400 ci 335 hp                       64,177
400 ci 360 hp HO                13,827
400 ci 360 hp Ram Air         751

Production by Body:
Coupe                   7,029
Hardtop                 65,176               
Convertible            9,517

Total:        81,722  

Engine Block Codes:

XM for 400 V8 ci 2bbl 255 hp automatic
XL for 400 ci V8 2bbl 255 hp automatic with air
WT for 400 ci V8 4bbl 335 hp manual
WW for 400 ci V8 4 bbl 335 hp manual with air
YS for 400 ci V8 4bbl 335 hp automatic
XE for 400 ci V8 4bbl 335 hp automatic with air
WS for 400 ci V8 4bbl 360 hp manual
WV for 400 ci V8 4bbl 360 hp manual with air
YZ for 400 ci V8 4 bbl 360 hp automatic
YI for 400 ci V8 4bbl 360 hp automatic with air
XS for 400 ci V8 4bbl 360 hp manual Ram Air
YR for 400 ci V8 4bbl 360 hp manual Ram Air with air
XP for 400 ci V8 4bbl 360 hp automatic Ram Air
YQ for 400 ci V8 4bbl 360 hp automatic Ram Air with air

Cylinder Head  Casting Numbers:
142 for 400 ci 255 hp
670 for 400 ci 335 and 360 hp
97 for Ram Air after serial number 646616

Distributors:
1111242 for 400 ci 255 hp
1111244 for 400 ci 335 hp
1111254 for 400 ci 360 hp
1111251 for 400 ci transistor ignition
© GTO is a registered trademark of the General Motors Corporation & Pontiac.  
Neither Pontiac nor any subsidiaries of GM© shall bear any responsibility for
www.pontiac-gtos.com content, comments, or advertising. www.pontiac-gtos.com is
independent from GM© and is not affiliated with, sponsored or supported by GM©.  
Copyright/trademark/sales mark infringements are not intended, or implied.  All
Rights Reserved.  The information in www.pontiac-gtos.com is accurate to the best
of our knowledge.  The information in this site is not guaranteed, and we disclaim
any liability incurred in connection with the use of this data.