Page 36 of 2009 Performance Parts by GM Parts Direct

crate engines ls series available for purchase online at gmperformanceparts.com ls3 6.2l crate engines ls series 19201992 more than 400 hp and 400 lb-ft of torque from our corvette-based crate engine as one of the newest members of the ls engine family the ls3 6.2l engine has benefited from all of the forward-thinking technology that has kept this engine series at the forefront of modern performance it was introduced on the 2007 corvette and debuts in 2009 in the all-new camaro the gm performance parts ls3 6.2l crate engine is based on the corvette application including the oil pan it comes complete with the ignition system manifold assembly with injectors and throttle body exhaust manifolds water pump balancer and 14-inch automatic-transmission flexplate inside the ls3 is filled with components designed for high performance and longevity the aluminum block is filled with a sturdy reciprocating assembly that combines with l92-type rectangular-port heads to deliver a 10.7:1 compression ratio a high-lift hydraulic roller camshaft delivers a whopping 0.551-inch of lift on the 2.165-inch intake valves and 0.522-inch lift on the 1.59-inch exhaust valves it holds those valves open for 204-degrees of rotation intake and 211-degrees exhaust respectively enhancing the ls3 s tremendous airflow and table-flat torque curve see page 300 for information on our reference guide p/n 88959384 for installing an ls engine in an older car big power and torque fully dressed assembly 430 hp 424 lb-ft torque installation notes · 14-inch automatic transmission flexplate included · assembly does not include any electronics · ls3 controller kit p/n 19201861 available for non-corvette applications kit includes electronic throttle pedal which is required for throttle input to the ecu see page 288 · 2009 throttle body is installed on engine to use ls3 controller kit p/n 19201861 2008 throttle body supplied must be installed · includes corvette wet sump oil pan · intended for pre-1976 street vehicles or any off-road vehicle · not intended for marine applications check out gmperformanceparts.com for a list of power packages to improve the performance of this engine ls3 6.2l dyno chart · non-corvette applications require flexplate p/n 12602448 possible applications bring the latest gm small-block to an old friend put it between the frame rails of your latest project car build a buggy 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 ls3 6.2l tech specs part number engine type displacement cu in bore x stroke in block p/n 12584727 crankshaft p/n 12597569 connecting rods p/n 12617570 pistons p/n 19168089 camshaft type p/n 12603844 valve lift in camshaft duration 050 in 19201992 ls series gen iv small-block v-8 376 cu in 6.2l 4.06 x 3.62 103.25 x 92mm cast-aluminum with 6 bolt cross-bolted main caps nodular iron powdered metal hypereutectic aluminum hydraulic roller .551 intake .522 exhaust 204° intake 211° exhaust valve size in compression ratio rocker arms p/n 12569167 int rocker arms p/n 10214664 exh rocker arm ratio recommended fuel maximum recommended rpm reluctor wheel balanced cylinder heads p/n 12615879 aluminum l92 style port as cast with 68cc chambers 2.165 intake 1.59 exhaust 10.7:1 investment-cast roller trunnion investment-cast roller trunnion 1.7:1 92 octane 6600 58x 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 69 68 buy online at www.gmperformanceparts.com gmpp_2009_pages058-089_final_rev.indd 68-69 11/21/08 3:57:43 pm

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