Spotter's Guide Hood Bird Guide Color Guide

1974 Firebird Engines

                    Engine ID Stamping  
UPC Code Type Source Displacement (cubic Inches) Bore & Stroke Carb Comp HP/RPM Torque/RPM VIN Manual Auto Usage
L-22 Inline 6 Chevrolet 250 3.88 x 3.53 1 bbl 8.2:1 100@3600 175@1600 D CJA, CJB, CJC standard Base
L30 V-8 Pontiac 350 single exhaust 3.88 x 3.75 2 bbl 7.6:1 155@3600 275@2400 M WA, WL, ZW standard Esprit, optional Base
L30 V-8 Pontiac 350 dual exhaust 3.88 x 3.75 2 bbl 7.6:1 170@4000 290@2400 N standard Formula 350, optional Esprit and Base with 682 Dual Exhaust
L65 V-8 Pontiac 400 single exhaust 4.12 x 3.75 2 bbl 8.0:1 175@3600 315@2000 R - optional Esprit
L65 V-8 Pontiac 400 dual exhaust 4.12 x 3.75 2 bbl 8.0:1 190@4000 330@2400 P     optional Esprit with 682 Dual Exhaust
L78 V-8 Pontiac 400 4.12 x 3.75 4 bbl 8.0:1 225@4000 330@2400 T Standard Trans Am, optional Formula
L75 V-8 Pontiac 455 4.15 x 4.21 4 bbl 8.0:1 250@4000 380@2800 Y optional Formula and Trans Am
L67 V-8 Pontiac 455 Super Duty 4.15 x 4.21 4 bbl 8.4:1 290@4000 395@3200 X optional Formula and Trans Am