1979 Firebird Engines

UPC Code Type Source Displ cid Bore & Stroke Carb Comp HP/RPM Net Torque/RPM VIN Engine Block code(s) UPC Transmission Axle Opt Axle Base Esprit Formula Trans Am Notes
LD5 V-6 Buick 231 3.80 x 3.40 2 bbl 8.0:1 105@3400 185@2000 A NL, RX, RY MM3 3 Speed Manual 3.08:1 S S n/a n/a Not available with 3 speed in Californa or High Altitude
MX1 3-Speed Turbo Hydramatic Transmission (Turbo 350) 2.56:1 3.23:1 A A n/a n/a
L27 V-8 Pontiac 301 4.00 x 3.00 2 bbl 8.1:1 140@3600 235@2000 W XP, XR MX1 3-Speed Turbo Hydramatic Transmission (Turbo 350) 2.41:1 A A S n/a
L37 V-8 Pontiac 301 4.00 x 3.00 4 bbl 8.1:1 150@4000 240@4000 W NA, X6, X4 MM4 4 Speed Wide Ratio Manual Transmission 3.08:1 A A A A
MX1 3-Speed Turbo Hydramatic Transmission (Turbo 350) 2.73:1 A A A A
LG3 V-8 Chevrolet 305 3.74 x 3.48 2 bbl 8.4:1 133@4000 244@2000 G DNF, DNJ, DNK, DNZ MX1 3-Speed Turbo Hydramatic Transmission (Turbo 350) 2.41:1 A A A n/a California Only
LM1 V-8 Chevolet 350 4.00 x 3.48 4 bbl 8.2:1 160@3800 260@2400 L DRJ, DRY MX1 3-Speed Turbo Hydramatic Transmission (Turbo 350) 3.08:1 A A A n/a High Altitude Package Only
W72 V-8 Pontiac 400 4.12 x 3.75 4 bbl 8.1:1 220@4000 320@2800 Z PWH M21 4 Speed Close Ratio Manual Transmission 3.23:1 n/a n/a A A Not available in Californa or High Altitude
L80 V-8 Oldsmobile 403 4.35 x 3.39 4 bbl 7.9:1 185@3600 320@2000 K QE, QJ, QK, QL, Q6, TD. TE MX1 3-Speed Turbo Hydramatic Transmission (Turbo 350) 2.41:1 3.23:1 (with WS6 Performance Package) n/a n/a A S

1979 Firebird Transmissions

UPC Code Type Usage Codes Base Esprit Formula Trans Am Notes
MM3 3 Speed Manual Transmission LD5 231cid V6 (Buick) S S n/a n/a Not availble in California or High Altitude
M21 4 Speed Close Ratio Manual Transmission L37 301 cid V8 A A A A Not available in California or High Altitude
W72 400 cid V8 n/a n/a A A
MX1 3-Speed Turbo Hydramatic Transmission (Turbo 350)* LD5 231 cid V6 (Buick) A A n/a n/a
L27 301 cid V8 A A A n/a
L37 301 cid V8 A A A A
LG3 305 cid V8 (Chevrolet) A A A n/a California Only
LM1 350 cid V8 (Chevrolet) A A A n/a High Altitude Only
L80 403 V8 (Oldsmobile) n/a n/a A S
Examples shown on this page consist of scanned images or reproduction artwork that can not be faithfully reproduced on a computer screen. Illustrations are for example only. Consult with your vendors offerring reproduction parts for their historical accuracy.