LS3
TECH SPECS: |
Engine Type: |
LS-Series Gen IV
Aluminum-Block V-8 |
Displacement (cu in): |
376 cu in (6.2L) |
Bore x Stroke (in): |
4.060 x 3.620 (103.25 x 92mm) |
Block (P/N 12584727): |
Cast-aluminum with 6-bolt, |
cross-bolted main caps |
Crankshaft (P/N 12597569): |
Nodular iron |
Connecting Rods (P/N 12617570):
|
Powdered metal |
Pistons (P/N 19168089): |
Hypereutectic aluminum |
Camshaft Type (P/N 12603844):
|
Hydraulic roller |
Valve Lift (in): |
.551" intake / .522" exhaust |
Camshaft Duration (@.050 in):
|
204° intake / 211° exhaust |
Cylinder Heads (P/N 12615879):
|
Aluminum L92 style port; |
|
as cast with 68cc chambers |
Valve Size (in): |
2.165 intake / 1.590 exhaust |
Compression Ratio: |
10.7:1 |
Rocker Arms (P/N 12569167 int): |
Investment-cast, roller trunnion |
Rocker Arms (P/N 10214664 exh): |
Investment-cast, roller trunnion |
Rocker Arm Ratio: |
1.7:1 |
Recommended Fuel: |
92 octane |
Maximum Recommended rpm: |
6,600 |
Reluctor Wheel: |
60-2x |
Balanced: |
Internal |