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1980 Pontiac Firebird Trans Am 301 CID T/A 4.9
Automatic Transmission Engine Specifications

Engine Code	YL
Engine RPO	LU8
VIBN Code	T
Displacement	301 CID
Bore x Stroke	4.00" x 3.00"
Compression Ratio	7.5:1
Horsepower @ RPM	210@4000
Torque (Lb/Ft) @ RPM	345@2000
Head Casting	10014006, 10017504
Carburetor	4-bbl
Carburetor	17080274
Intake Manifold	10013114
Camshaft
Part #	10007424
Lift, I/E	.344/.344
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