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