Page 101 of 2009 Performance Parts by GM Parts Direct

chevy small-block v-8 chevy ls series thelsseriesblockscontinued 25534412 oil hose adapters not shown a 19213580 ls7 7.0l corvette bare block · directreplacementfor2006-20097 .0lls7engine · production319-t5aluminumblockwithpressed-in iron sleeves · productionoilingsystem · 6-boltdowellocatedsteelmainbearingcaps · 9.240 deckheight · forusewithanylsorlsxserieshead · 4.125 finishedbore104.78mm deckplatehoned · siamesecylinderboresforlargeboresize · noprovisionforactivefuelmanagement · basedonc5rblockdevelopment · testedtoover500horsepower qty 1 1 4 1 1 1 5 4 1 1 1 2 4 2 1 1 1 description valleycover frontcoverassembly plug camshaftretainer plug plug,cylinderhead m8x1.25flangedhexheadbolt dowel,cylinderheadlocating rearcoverassembly oilplug windagetray plug plug dowel,bellhousinglocating plug oilpressuresensor crankshaftpositionsensor · kitadaptstheproductionls7oilpantoaftermarket anstylehosesforaftermarketdrysumpoiltanks · boltsdirectlytols7oilpan,andhasanmaleoutlet foran-12fittings · includes1adapter,2fittings,2bolts,and 2 sealing gaskets · photoonpage202 chevy ls series b 12480030 aluminum c5r racing block parts required to complete your ls7 block part number 12570471 12598292 21007339 12556437 11609289 11610259 12551177 12570326 12572013 12573460 12596334 11588426 09427693 01453658 12561663 12573107 12585546 a ls7 7.0l corvette bare block rear aluminum c5r racing block rear b the ultimate gm aluminum ls block the c5r was originally designed for chevrolet s factory-backed corvette racing program it was developed to support more than 440 cubic inches and up to 900 horsepower and it proved itself by powering the corvette team to wins at lemans daytona and nearly every track they encountered this is a non-production purpose-built cylinder block manufactured with proprietary materials and machined to the highest tolerances and using premium racing-spec hardware if you re looking for the ultimate aluminum cylinder block to support your horsepower desires the race-proven c5r is it · premium hipped andx-rayed356-t6maluminum-alloy block casting · 9.240 deckheight · production-styleoilingsystem · 6-boltsae8620dowel-locatedsteelmainbearingcaps · 4340premiummapcapfasteners · forusewithanylsorlsxserieshead · uniquecylinderlinermaterialformaximumdurability · siamesedcylinderstosupportlargerbores · 4.117 finished bore · 4.160 maximumbore · fullyblueprintedandsquared · productioncamshaftlocationandcambores · includes4340premiumheadstuds · anodizedaluminumo-ringcoreplugs · noactivefuelmanagementprovisions · supportsmorethan900horsepower 1970½ camaro z/28 a ls7 7.0l corvette bare block front aluminum c5r racing block front b ushering in fresh styling the late-introduced 1970½ camaro brought along some familiar packages and the z/28 led the way a european influence shone through in a longer heavier rounder camaro and the z/28 was no exception the latest z/28 birthed a new engine too the lt-1 gone was the small rev-happy 302 and in its place was a 350-cube 360-horse power plant that propelled the z/28 to a 14.2-second quarter-mile et at more than 100 mph in car and driver s published test the engine meant business with 4-bolt mains 11:1 compression a high-rise intake two cam options and for the first time a turbo-hydramatic automatic transmission in deference to the car s mission in scca racing it received a standard f-41 heavy-duty suspension and air conditioning was still unavailable the modern successor to the lt-1 is the zz4 350 crate engine which pumps out 355 horsepower only 5 hp shy of the classic engine hipistheacronymforhotisostaticpressure.thisprocessputstheblocksina sealedvesselwhereavacuumisfirstusedtoremoveroomairandanypossible contaminants.thevesselisfilledwithhighpressurenitrogenupto30,000-psi andthenheatedtotherequiredtemperatureandsustainedforadetermined amountoftime.thecoolingprocessisalsoacontrolledproceduretoinsuremaximumstrengthandproperheattreat.thisextremehighpressureandheatremoves almost100%oftheinternalporositiesthataregeneratedduringthecasting process.thematerialintegrity,strengthandfatiguelifeincreasessignificantly a ls7 7.0l corvette bare block rear aluminum c5r racing block front b 198 buy online at www.gmperformanceparts.com available for purchase online at gmperformanceparts.com 199

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