Page 33 of 2009 Performance Parts by GM Parts Direct

crate engines ls series available for purchase online at gmperformanceparts.com ls1 5.7l crate engines ls series 17801267 the original ls engine that started a high-performance revolution just like the 350 is the quintessential small-block so is the storied ls1 to the ls engine family it s the engine that started the ls revolution it was introduced in the 1997 corvette and quickly spread to the 98 camaros and firebirds and while we at general motors dubbed the new engine family gen iii it was the enthusiast community that seized on the first two letters of the ls1 name and gave the widely used ls family nickname at the core of the ls1 is an aluminum deep-skirt cylinder block with six-bolt main caps an oil pan that is a structural component of the assembly aluminum cylinder heads with cathedral-style ports and 2.00/1.55-inch valves and a crank-triggered ignition system with eight individual ignition coils gm performance parts offers the ls1 crate engine in dressed regularproduction form that includes a manifold assembly with the fuel injectors fuel rails and an electronically controlled throttle body already installed a holden oil pan complete ignition system exhaust manifolds balancer water pump and a 14-inch automatic-transmission flexplate the ls1 crate engine is an affordable performer to re-power your fourthgeneration f-car add a high-tech twist to your vintage camaro or give a powerful advantage to your off-road crawler see page 300 for information on our reference guide p/n 88959384 for installing an ls engine in an older car affordable high-performance aluminum cathedral-port heads 350 hp 365 lb-ft torque installation notes · 14-inch automatic transmission flexplate included · assembly does not include any electronics · includes holden oil pan · intended for pre-1976 street vehicles or any off-road vehicle · not intended for marine applications · non-corvette applications require flexplate p/n 12602448 ls1 5.7l dyno chart possible applications a great replacement engine for your gen iv z28 add a high-tech twist to an old friend discover the potential of a fuelinjected small-block chevy add it to a jeep and get crawlin applications have not been validated they are merely suggestions of how you might enjoy your gm performance parts crate engine some applications may affect engine warranty see page 352 for specific warranty information some applications may not be emission-legal check state and local ordinances ls1 5.7l tech specs part number engine type displacement cu in bore x stroke in block p/n 12561166 crankshaft p/n 89017522 connecting rods p/n 12568734 pistons p/n 88984245 camshaft type p/n 12560965 camshaft lift in 17801267 ls series small-block v-8 346 5.7l 3.90 x 3.62 99 x 92mm cast-aluminum with 6-bolt cross-bolted iron main caps nodular iron powdered metal steel hypereutectic aluminum hydraulic roller .500 intake .500 exhaust camshaft duration 050 in cylinder heads p/n 12559855 valve size in compression ratio rocker arms p/n 10214664 rocker arm ratio recommended fuel maximum recommended rpm reluctor wheel balanced 198° intake 209° exhaust aluminum cathedral port 2.00 intake 1.55 exhaust 10.25:1 investment-cast roller trunnion 1.7:1 92 octane 6000 24x internal available for purchase online at gmperformanceparts.com gm performance parts crate engines include a 24-month or 50,000-mile/80,000-kilometer limited warranty gm performance parts does not utilize any used or remanufactured parts in this crate engine for a complete list of parts to complement and finish this engine turn to page 80 buy online at www.gmperformanceparts.com 63 62 buy online at www.gmperformanceparts.com gmpp_2009_pages058-089_final_rev.indd 62-63 11/21/08 3:56:44 pm

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