1979 Pontiac Firebird Trans Am 301 CID T/A 4.9
Manual Transmission Engine Specifications

Engine Code	PWA, PWB
Engine RPO	L37
Displacement	301 CID
Bore x Stroke	4.00" x 3.00"
Compression Ratio	8.0:1
Horsepower @ RPM	150@4400
Torque (Lb/Ft) @ RPM	235@2200
Head Casting	01
Carburetor	4-bbl
Carburetor	17059271
Camshaft
Part #	527471
Lift, I/E	/
Rocker Arm Ratio	1.5:1
Duration I/E - Degrees	NA / NA
Overlap - Degrees	NA
Intake Valve Dia -	1.72"
Exhaust Valve - Dia	1.50"
Distributor	1103400

1979 Pontiac Firebird Trans Am 301 CID T/A 4.9
Automatic Transmission Engine Specifications

Engine Code	PX4, PX6, PXL, PXN, PXS, PXT, PXU, PXW
Engine RPO	L37
Displacement	301 CID
Bore x Stroke	4.00" x 3.00"
Compression Ratio	8.0:1
Horsepower @ RPM	150@4400
Torque (Lb/Ft) @ RPM	2450@xxxx
Head Casting	01
Carburetor	4-bbl
Carburetor	17059272
Camshaft
Part #	10007424
Lift, I/E	/
Rocker Arm Ratio	1.5:1
Duration I/E - Degrees	NA / NA
Overlap - Degrees	NA
Intake Valve Dia -	1.72"
Exhaust Valve - Dia	1.50"
Distributor	1103399