Page 82 of GM Performance Parts 2006 Catalog by GM Parts Direct

CRATE ENGINES LS SERIES Seven liters of pure trouble maker! The king of all Corvettes is the amazing 2006 ZO6. It tops out at 198 mph, runs the quarter mile in 11.5 seconds at 127 mph, and hits 60 mph in a jaw-dropping 3.5 seconds (in first gear). All of that performance is the result of superior GM engineering and an engine we call the LS7 the most technologically-advanced small-block ever built. A natural continuation of the LS Family, the LS7 uses a 7.0-liter aluminum dry-sump block, CNC-ported cylinder heads, and titanium rods and valves to pump out 505 hp and 470 lb.-ft. of torque. Talk about efficient the LS7 helps the 2006 ZO6 get over 28 mpg while still being the fastest Corvette ever produced! Is this the Chevy small-block in its highest form? Only you can decide, and GM Performance Parts has made it that much easier by offering the already legendary LS7 as a complete crate engine, ready to bolt into your favorite project car. 17802397 LS7 7.0L 80 GM Performance Parts does not utilize any used or remanufactured parts in this crate engine. GM Performance Parts crate engines include a twelve-month, 12,000-mile warranty. W WHATS HOT? 7.0 liters of small-block perfection 505 horsepower Titanium rods and valves LS7 TECH SPECS: Part number: 17802397 Engine type: Cam-in-block 90-degree V8 Displacement (cu in): 427 (7.0L) Bore x Stroke (in): 4.125 x 4.00 (104.8 mm x 101.6 mm) Block P/N 17802854: Cast aluminum w/6-bolt steel main bearing caps Crankshaft (P/N 12568819): Forged steel Connecting rods (P/N 12586258): Forged titanium Pistons (P/N89017774): Hypereutectic aluminum Camshaft type(P/N 12571251): Hydraulic roller Camshaft lift: .591" (15 mm) Intake and Exhaust Camshaft Duration: 211 intake 230 exhaust Cylinder heads (P/N 12578450): CNC Ported LS7 specific pattern 70 cc CNC combustion chambers Valve size (in): 2.20" titanium intake, 1.61" sodium filled exhaust Compression ratio: 11.0:1 Rocker arms: Investment cast, roller trunnion Rocker arm ratio: 1.8:1 (offset intake only) Recommended Fuel: 91 octane Maximum rpm: 7,000 Reluctor wheel: 58X NEW without ECM and Wire Harness

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