Page 35 of 2009 Performance Parts by GM Parts Direct

crate engines ls series available for purchase online at gmperformanceparts.com l99 6.2l afm crate engines ls series 12611022 the new camaro s v-8 engine straight from the factory the camaro is back and better than ever the 2010 camaro hits the pavement in 09 with heritage styling an aggressive stance and tire-smoking ls power under the hood and you can put that new-generation performance to work in your project car with the new camaro s l99 v-8 engine for use with automatic transmissions nearly identical in performance and construction to the camaro s manualtransmission ls3 engine the l99 engine is equipped with gm s fuelsaving active fuel management afm technology afm enables the engine to cut off fuel to half of the cylinders in certain light-load driving conditions such as highway cruising to reduce fuel consumption special lifters are used on the deactivating cylinders effectively turning the engine into a v-4 the remaining cylinders pump only cooling air the changeover between v-8 and v-4 performance is virtually imperceptible our l99 6.2l camaro crate engine comes dressed with the camaro oil pan manifold assembly including injectors fuel rails and electronically controlled throttle ignition coils exhaust manifolds balancer water pump and an automatic-transmission flexplate see page 300 for information on our reference guide p/n 88959384 for installing an ls engine in an older car great airflow greater fuel economy fully dressed installation notes · 14-inch automatic flexplate included · includes 2010 camaro oil pan · intended for pre-1976 street vehicles or any off-road vehicle · not intended for marine applications note final production version may differ slightly in content from photo shown l99 6.2l dyno chart l99 dyno chart possible applications a 4th-gen f-body in need of a new mill test the latest camaro v-8 on your dyno l99 6.2l tech specs part number engine type displacement cu in bore x stroke in block crankshaft p/n 12588612 connecting rods p/n 1207475 pistons p/n 12626327 camshaft type p/n 12623066 valve lift in camshaft duration 050 in 12611022 ls series gen iv small-block v-8 376 cu in 6.2l cylinder heads p/n 12629064 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 aluminum l92 style port as cast with 68cc chambers 2.16 intake 1.59 exhaust 10.7:1 investment-cast roller trunnion investment-cast roller trunnion 1.7:1 92 octane 6600 58x internal final sae numbers pending upgrade your v-6 camaro with v-8 power 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 need tech specs 4.06 x 3.62 103.25 x 92mm cross-bolted main caps nodular iron powdered metal hypereutectic aluminum hydraulic roller .500 intake .492 exhaust 195° intake 201° exhaust cast-aluminum with 6 bolt horsepower torque lb-ft 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 67 66 buy online at www.gmperformanceparts.com gmpp_2009_pages058-089_final_rev.indd 66-67 11/21/08 3:57:18 pm

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