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1981 Pontiac Firebird Trans Am 301 CID T/A 4.9
Automatic Transmission Engine Specifications

Engine Code

BO, CJ

Engine RPO

LU8

VIBN Code

T

Displacement

301 CID

Bore x Stroke

4.00" x 3.00"

Compression Ratio

7.5:1

Horsepower @ RPM

200@4000

Torque (Lb/Ft) @ RPM

340@2000

Head Casting

10014006, 10017504

Carburetor

4-bbl

Carburetor

17081273

Intake Manifold

10012114

Camshaft

Part #

10007424

Lift, I/E

.373/.373

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

1103453

Distributor - Export

1103444