1975 Firebird Engines

1975 Engine Firebird Specifications

                   
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
8.25:1
105@3800
185@1200
 
standard Base and Esprit
L30 V-8 Pontiac 350
3.88 x 3.75
2 bbl
7.6:1
155@4000
280@2000
 
optional Base and Esprit
L76 V-8 Pontiac 350
3.88 x 3.75
4 bbl
7.6:1
175@4000
280@2000
 
standard Formula
L78 V-8 Pontiac 400
4.12 x 3.75
4 bbl
7.6:1
185@3600
310@1600
 
standard Trans Am, optional Formula
L75 V-8 Pontiac 455 HO
4.15 x 4.21
4 bbl
7.6:1
200@3500
330@2000
 
optional Trans Am
*
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