Pontiac Block Identification   Data Courtesy BoyleWorks' Pontiac Street Performance Website.

Pontiac V8 Displacements   Data Courtesy BoyleWorks' Pontiac Street Performance Website.

Pontiac Cylinder Head Reference   Data Courtesy www.angelfire.com/on/geebjen.

GTO Engine Codes & Production Figures   Data Courtesy www.scgg.com.

GTO Cylinder Head Application Guide   Data Courtesy www.scgg.com.

GTO Rear Axle Codes   Data Courtesy www.scgg.com.

GTO Carburetor Application Guide   Data Courtesy www.scgg.com.

Interior, Folding Top & Cordova Top Color Codes   Data Courtesy www.scgg.com.