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Gen III Small Block - GMPP LS1 Crate Engine Dyno - Project Light Speed

Engine: 5.7 L (346 ci)
PN, price: 25534322, $6,026 Scoggin-Dickey
Power: 345 hp and 340 lb-ft of torque GM
net power rating
Bore x stroke: 3.98x3.62
Block: All aluminum, six-bolt mains
Crank: Nodular iron, rolled fillets
Con rods: Powdered metal, 5.098-inch long
Pistons: Cast aluminum, flat-top,
10:1 compression
Cylinder heads: Aluminum, symmetrical port,
200cc intake port,
2.00/1.55-inch valves, 67cc chamber
Camshaft: Hydraulic roller, 198/209 degrees duration
@ 0.050, 0.500-inch valve lift, 116 degree
lobe separation angle
Rockers: Shaft roller rocker system, 1.7:1 ratio
Intake: Composite, LS1/LS6 w/returnless fuel
system
Throttle-body: 75 mm
Injectors: New compact design, 25 lb/hr at 58 psi
MAF: Camaro/Firebird three-wire, 75 mm
Ignition: Coil near plug, 6 amps primary current
at 14 volts
Exhaust: Corvette production, cast iron
Electronics: Production GM ECU with "street rod"
calibration


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