1976 Pontiac Firebird Trans Am 455 CID H.O.
Manual Transmission Engine Specifications

Engine Code

WT, WW, ZZ, ZE

Engine RPO

L75

Displacement

455 CID

Bore x Stroke

4.1522" x 4.121"

Compression Ratio

7.6:1

Horsepower @ RPM

200@4000

Torque (Lb/Ft) @ RPM

330@2800

Head Casting

7F6

Carburetor

4-bbl

Carburetor - Federal

7043273

Camshaft

Part #

Lift, I/E

NA / NA

Rocker Arm Ratio

1.5:1

Duration I/E - Degrees

NA / NA

Overlap - Degrees

NA

Intake Valve Dia -

2.11"

Exhaust Valve - Dia

1.66"

Distributor

1976 Pontiac Firebird Trans Am 455 CID HO
Automatic Transmission Engine Specifications

Engine Code

Engine RPO

L75

Displacement

455 CID

Bore x Stroke

4.1522" x 4.121"

Compression Ratio

7.6:1

Horsepower @ RPM

200@3600

Torque (Lb/Ft) @ RPM

330@2800

Head Casting

7F6

Carburetor

4-bbl

Carburetor - Federal

7043262, 7043272

Camshaft

Part #

Lift, I/E

NA / NA

Rocker Arm Ratio

1.5:1

Duration I/E - Degrees

NA / NA

Overlap - Degrees

NA

Intake Valve Dia -

2.11"

Exhaust Valve - Dia

1.77"

Distributor