LS 3 Engine Specs
#1
06-25-2011, 11:47 AM
LS 3 Engine Specs
LS3 Engine specs
Balanced:
Internal
Block Part Number:
12584727
Bore x stroke (in):
4.06 x 3.62 (103.25 x 92mm)
Camshaft duration (@.050 in):
204 degree intake / 211 degree exhaust
Camshaft Part Number:
12603844
Camshaft Type:
Hydraulic roller
Compression ratio:
10.7:1
Connecting rods (P/N 12617570):
Powdered metal
Crankshaft (P/N 12597569):
Nodular iron
Cylinder heads (P/N 12598594):
LS3 rectangle port; as cast with 68cc chambers
Displacement (cu in):
376 cu in (6.2L)
Engine type:
LS Series Gen IV small-block V-8
Maximum recommended rpm:
6600
Pistons Part Number:
19165089
Pistons Type:
Hypereutectic aluminum
Recommended fuel:
92 octane
Reluctor wheel:
58X
Rocker arm ratio:
1.7:1
Rocker arms exhaust Part Number:
10214664
Rocker arms exhaust Type:
Investment cast, roller trunnion
Rocker arms intake Part Number:
12569167
Rocker arms intake Type:
Investment cast, roller trunnion
Valve Lift (in):
.551 intake / .522 exhaust
Valve size (in):
2.16 intake / 1.59 exhaust
Balanced:
Internal
Block Part Number:
12584727
Bore x stroke (in):
4.06 x 3.62 (103.25 x 92mm)
Camshaft duration (@.050 in):
204 degree intake / 211 degree exhaust
Camshaft Part Number:
12603844
Camshaft Type:
Hydraulic roller
Compression ratio:
10.7:1
Connecting rods (P/N 12617570):
Powdered metal
Crankshaft (P/N 12597569):
Nodular iron
Cylinder heads (P/N 12598594):
LS3 rectangle port; as cast with 68cc chambers
Displacement (cu in):
376 cu in (6.2L)
Engine type:
LS Series Gen IV small-block V-8
Maximum recommended rpm:
6600
Pistons Part Number:
19165089
Pistons Type:
Hypereutectic aluminum
Recommended fuel:
92 octane
Reluctor wheel:
58X
Rocker arm ratio:
1.7:1
Rocker arms exhaust Part Number:
10214664
Rocker arms exhaust Type:
Investment cast, roller trunnion
Rocker arms intake Part Number:
12569167
Rocker arms intake Type:
Investment cast, roller trunnion
Valve Lift (in):
.551 intake / .522 exhaust
Valve size (in):
2.16 intake / 1.59 exhaust
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