Spotter's Guide Hood Bird Guide Color Guide

1977 Firebird Engines

                    Engine ID Stamping  
UPC Code Type Source Displacement (cubic Inches) Bore & Stroke Carb Comp HP/RPM Torque/RPM VIN Manual Auto Usage
LD7 V-6 Buick 231 3.80 x 3.40 2 bbl 8.0:1 105@3200 185@2000   standard Base and Esprit
L27 V-8 Pontiac 301 4.00 x 3.00 2 bbl 8.2:1 135@4000 235@2000       optional Base, Esprit. Standard Formula
LG3 V-8 Chevrolet 305 3.74 x 3.48 2 bbl 8.4:1 145@3800 245@2400       optional Base, Esprit. Standard inFormula after June 2, 1977
L76 V-8 Pontiac 350 3.88 x 3.75 4 bbl 7.6:1 170@4000 280@1800   optional Base, Esprit, and Formula
L34 V-8 Oldsmobile 350 4.06 x 3.39 4 bbl 8.0:1 170@3800 275@2000   optional Base, Esprit, and Formula in California
L78 V-8 Pontiac 400 4.12 x 3.75 4 bbl 7.6:1 180@3600 325@1600   standard Trans Am, optional Formula
W72 V-8 Pontiac 400 4.12 x 3.75 4 bbl 8.0:1 200@3600 325@2400*   optional Formula and Trans Am
                325@2200**        
L80 V-8 Oldsmobile 403 4.35 x 3.39 4 bbl 8.0:1 185@3600 320@2200       Standard Trans Am and optional Formula in California