Page 44 of 2009 Performance Parts by GM Parts Direct

crate engines lsx series available for purchase online at gmperformanceparts.com lsx376 crate engines lsx series 19171049 the affordable lsx crate engine has arrived gm performance parts takes the economical lsx bowtie block and combines it with the ls3 s high-flow l92-style heads and mostly internal components we swap the pistons for forged parts to create the affordable high-revving lsx376 crate engine it represents the essence of ls performance exceptional airflow capability in straightforward packaging that delivers huge performance without a power-adder we deliver the ls376 without an intake manifold and other accessories so whether you top the engine with a carburetor or production-style injection system it s suitable for your street rod 57 chevy or 71 camaro be it on the street or strip our horsepower and torque ratings are based on using the productionstyle injection system more power can be realized by swapping that for one of our carburetor intakes and a well-tuned holley four-barrel see page 300 for information on our reference guide p/n 88959384 for installing an ls engine in an older car note due to the number of application variations the lsx376 crate engine is supplied with a dust shield instead of an oil pan see the ls engine components section for production-style oil pan choices also the lsx376 valve covers do not include provisions for mounting the ignition coil brackets aftermarket or custom relocation brackets must be used race-bred lsx bowtie block high-flow ls3 cylinder heads unique lsx376 valve covers installation notes · 14-inch automatic transmission flexplate included · assembly does not include any electronics · intended for pre-1976 street vehicles or any off-road vehicle · not intended for marine applications · non-corvette applications require flexplate p/n 12602448 · requires lsx ignition controller p/n 19171130 for carbureted applications lsx376 dyno chart lsx376 dyno chart possible applications an `87 monte carlo ss that is ready for lsx power a `98 camaro that deserves the lsx touch give your show car the race car edge with this lsx engine 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 lsx376 tech specs part number engine type displacement cu in bore x stroke in block p/n 19243171 crankshaft p/n 12597569 connecting rods p/n 12607475 pistons p/n 12166957 camshaft type p/n 12603844 valve lift in camshaft duration 0.050 in 19171049 lsx series gen iv small-block v-8 376 cu in 6.2l 4.06 x 3.62 103.25 x 92 mm lsx cast-iron with 6-bolt cross-bolted main caps nodular iron powdered metal forged aluminum hydraulic roller 0.551 intake 0.522 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 with as cast 68cc chambers 2.16 intake 1.59 exhaust 10.7:1 investment-cast roll trunnion investment-cast roll trunnion 1.7:1 92 octane 6600 58x internal horsepower 450 5900 rpm torque lb-ft 444 4600 rpm note actual power chart may vary depending on induction system used 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 88 buy online at www.gmperformanceparts.com 85 84 buy online at www.gmperformanceparts.com gmpp_2009_pages058-089_final_rev.indd 84-85 11/21/08 4:06:51 pm

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