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