GM ENGINES

Active Engines offers pre-designed GM engine configurations for the following:

350/330 HP

383/360 HP

383/425 HP

454/450 HP

496/530 HP

572/620 HP

GM 350/330 HP

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Item	Description
Engine Type	GM small block
Bore X Stroke	4.00 X 3.48
Engine Displacement	350
Block	Cast 4-bolt main
Crankshaft	Nodular iron
Connecting Rods	Powdered metal steel
Piston	Cast aluminum
Camshaft Type	Hydraulic flat ttappet
Camshaft Lift	.464/.470
Camshaft Duration	218/224
Valve lash
Cylinder Heads	Vortec iron; 64 CC
Valve Size	1.94/1.50
Compression Ratio	9.1:1
Rocker Arms	Stamped steel
Rocker Ratio	1.5:1
Balancer	External
Flywheel	External
Ignition Timing	36BTDC@4500
Recommended Fuel	87
Oil Capacity	5 quarts
Peak Horsepower	330
Peak Torque	380
Max RPM	5500
Part #	GMS350330

GM 383/360 HP

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Item	Description
Engine Type	GM small block
Bore X Stroke	4.00 X 3.80
Engine Displacement	383
Block	Cast 4-bolt main
Crankshaft	Eagle powder coated
Connecting Rods	ARP
Piston	Keith Black hypeuticnic
Camshaft Type	Hydraulic roller
Camshaft Lift	.458/.451
Camshaft Duration	At .050 206/210
Valve lash
Cylinder Heads	GM Vortec iron; 64 CC
Valve Size	1.94/1.50
Compression Ratio	9.1:1
Rocker Arms	Stamped steel
Rocker Ratio	1.5:1
Balancer	External
Flywheel	External
Ignition Timing	34@4500RPM
Recommended Fuel	87
Oil Capacity	5 quarts
Peak Horsepower	360
Peak Torque	435
Max RPM	5000
Part #	GMS350330

GM 383/425 HP

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Item	Description
Engine Type	GM small block
Bore X Stroke	4.00 X 3.80
Engine Displacement	383
Block	Cast 4-bolt main
Crankshaft	Forged steel
Connecting Rods	Heavy-duty PM steel
Piston	Cast aluminum
Camshaft Type	Hydraulic roller
Camshaft Lift	.535/.544
Camshaft Duration	At .050 224/280
Valve lash
Cylinder Heads	AFR 180 CC
Valve Size	2.02/1.60
Compression Ratio	10.0:1
Rocker Arms	Auminum roller
Rocker Ratio	1.6:1
Balancer	External
Flywheel	External
Ignition Timing	36@4000RPM
Recommended Fuel	92
Oil Capacity	5 quarts
Peak Horsepower	425
Peak Torque	435
Max RPM	6000
Part #	GMS383425

GM 454/450 HP

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Item	Description
Engine Type	GM big block
Bore X Stroke	4.25 X 4.00
Engine Displacement	454
Block	Cast 4-bolt main
Crankshaft	Eagle ESP cast steel
Connecting Rods	Eagle
Piston	Forged aluminum
Camshaft Type	Hydraulic roller
Camshaft Lift	.510/.510
Camshaft Duration	224/230
Valve lash	2.19/1.88
Cylinder Heads	Edelbrock 118CC
Valve Size	2.19/1.88
Compression Ratio	10.0:1
Rocker Arms	Stamped steel
Rocker Ratio	1.7:1
Balancer	External
Flywheel	External
Ignition Timing	36BTDC
Recommended Fuel	87
Oil Capacity	5 quarts
Peak Horsepower	425
Peak Torque	500
Max RPM	5500
Part #	GMB454425

GM 496/530 HP

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Item	Description
Engine Type	GM big block
Bore X Stroke	4.25 X 4.25
Engine Displacement	496
Block	Cast 4-bolt main
Crankshaft	Eagle
Connecting Rods	Eagle I-Beam
Piston	Forged aluminum
Camshaft Type	Crane hydraulic roller
Camshaft Lift	.610/.632
Camshaft Duration	AT .050 236/244
Valve lash
Cylinder Heads	Aluminum round port 110CC
Valve Size	2.25/1.88
Compression Ratio	10.0:1
Rocker Arms	Crane gold race
Rocker Ratio	1.7:1
Balancer	External
Flywheel	External
Ignition Timing	36BTDC
Recommended Fuel	92
Oil Capacity	7 quarts
Peak Horsepower	530
Peak Torque	590
Max RPM	5500
Part #	GMB496590

GM 572/620 HP

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Item	Description
Engine Type	GM big block
Bore X Stroke	4.500 X 4.500
Engine Displacement	572
Block	Merlin 3-cast 4-bolt main
Crankshaft	Eagle forged steel
Connecting Rods	Eagle I-Beam
Piston	Forged aluminum
Camshaft Type	Hydraulic roller
Camshaft Lift	.632/.632
Camshaft Duration	AT .050 243/264
Valve lash
Cylinder Heads	Edelbrock 2190 118CC
Valve Size	2.25/1.88
Compression Ratio	10.0:1
Rocker Arms	Aluminum roller style
Rocker Ratio	1.7:1
Balancer	External
Flywheel	External
Ignition Timing	36@5000
Recommended Fuel	92
Oil Capacity	7 quarts
Peak Horsepower	620
Peak Torque	650
Max RPM	6000
Part #	GMB572620