Spotter's Guide Hood Bird Guide Color Guide

1981 Firebird Engines

                    Engine ID Stamping  
UPC Code Type Source Displacement (cubic Inches) Bore & Stroke Carb Comp HP/RPM Torque/RPM VIN Manual Auto Usage
LD5 V-6 Buick 231 3.80 x 3.40 2 bbl 8.0:1 115@3800 188@2000 A LZ, NA, NB, NC, ND, NF, NJ, NK, NL, NZ, RA, RB, RC, RD, RK, RL Standard Base and Esprit. Standard Formula after October 1, 1981
LS5 V-8 Pontiac 265 3.75 x 3.00 2 bbl 8.3:1 120@3600 210@1600 S - AU, AW, AZ, BA, DB, DC, DH Optional Base and Esprit until January 8, 1980. Standard Formula until October 1, 1981
LS5 V-8 Chevrolet 267 2 bbl 8.3:1 120@3600 215@2000 J - Standard in Firebird, Esprit and Formula in Canadian Exports. Not available in the U.S.
L37 V-8 Pontiac 301 E/C 4.00 x 3.00 4 bbl 8.1:1 150@4000 245@2000 W - BD, BJ Standard in Trans Am. Optional all others
LG4 V-8 Chevrolet 305 3.74 x 3.48 4 bbl 8.6:1 145@4000 230@2400 H D6A, D6B, D6C, D6D, DHA, DHB, DHC, DHD, DHF, DHH, DHJ, DHK, DHU, DHZ, DJ, DKB, DND Optional Formula and Trans Am with 4 speed only. Available on Firebird, Esprit, and Formula in Canada with MX1 Automatic Transmission only.
LU8 V-8 Pontiac 301 Turbo 4.00 x 3.00 4 bbl 7.5:1 200@4000 340@2000 T - BO, CJ Optional Formula and Trans Am