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500CI Chevy LS1 Engine Build - How To Build A 500CI LS1
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BUILDSHEET
Block ERL Tall-Deck LS2
Bore 4.202
Stroke 4.500
Displacement 500 ci
Rod length 6.800
Deck height 0
Block height 10.200
Head gasket thickness 0.040
Main bearing clearance 0.0023-0.0025
Rod bearing clearance 0.0022-0.0025
Piston-to-wall clearance 0.005
Piston dome volume -28 cc
Piston compression height 1.150
Top ring gap 0.025
Second ring gap 0.025
Compression ratio 10.8:1
Camshaft (Comp Cams) 248/254-at-0.050; 0.647/0.647; 114
Installed centerline 114 degrees
Rocker ratio 1.7:1
Valves 2.200/1.615 intake/exhaust
Valvespring diameter 1.539
Valvespring seat pressure 150 lb
Valvespring open pressure 440 lb
Intake manifold Factory GM LS7
Fuel 93 octane unleaded
Measurements in inches unless otherwise noted

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