2019 Class Rules Engine Masters Challenge

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EarlyIron TECHNICALRULES–Section300(NOTE:Thisclasswilluseacubicinchdividerinscoringtocompensateforvariedenginedisplacement.Scoredtestrpmrangeis3500-7000rpmforSmallblockand3500-6300forBigblock.

300 -ENGINE

NormallyAspiratedUSdomesticOEMproductionpassengercarpushrodV8engineintroducedin1968orearlier.MustclaimspecificOEMenginebeingusedforthiscompetition.Poweraddersprohibited.Anymethodofartificiallyheatingand/orcoolingenginefluids,fuel,and/orairprohibited(nottoincludethermalorfrictioncoatings).Thisincludes,butisnotlimitedto,heatingand/orcoolingbymechanicaldevicesuchasanexternalcoolerorradiator/heatexchanger,pre-heatingorcoolingofanyfluidswithanoilheaterorfuelheater/cooler,ortheadditionofatemperature-alteringdevicedesignedtocoolorheattheincomingairchargebymechanicalmeanssuchasanintercooler,chemicalmeanssuchasachemicaltocooleithertheincomingair/fuelchargeorintakemanifold,orelectricalmeanssuchasanelectricoilheaterinsideoroutsidetheengine.AftermarketSFIspec18.1harmonicbalancermandatory.301 -DISPLACEMENTDisplacementislimitedto.065”overborefor1968andearlierenginebeingclaimed.Cubicinchiscalculatedbyborexborexstrokex6.2832.Boreismeasuredattopofcylinderwhereringwearisnotevident.Boreandstrokearemeasuredtothethirddecimalplace,i.e.0.001.Cubicinchesarecalculatedtoone(1)decimalplacei.e.350.0.Anypartofacubicinchisroundeduptothenexthighestinch(i.e.301.2=302)forthepurposeofclaimedcubicinchofengineasusedinscoring.Thecubicinchusedinscoringwillbeawholenumber;nodecimalpartwillbeused.302 -ENGINEBLOCKAnydomesticOEMpassengercarorcommerciallyavailableaftermarketOEdirectreplacement,castironblock,havingOEMdeckheightandmainborediameter.EngineblockmustretainOEMcylinderborespacing,andOEMblockangle.Overboreislimitedtonolargerthan.065”forthe1968orearlierenginebeingclaimed.Lifterboresmaybebushed.TheresponsibilityforadaptingtotheSUPERFLOWdynocartisthatoftheparticipant.303 -MOTORPLATESFrontstyle“motorplates”are"required"forinstallationontheSuperflowDyno.Motorplatemustbebetween26"and29"widthasmeasuredacrossthecamshaftcenterline.1/4"Aluminumorsteelplateisacceptable.

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304 -CRANKSHAFTAnycommerciallyavailableforgedorcaststeelorcastironcrankshaftpermitted.Anyjournaldiameterpermitted.Maximum10%strokechangeforenginebeingclaimedispermitted.Billetcrankshaftprohibited.CYLINDERHEADS

OEMmassproducedcastironpassengercarcylinderheadsaretheonlytypeofheadsthatcanbeused.Headsmustbeoriginallymanufacturedfortheengineapplicationinwhichitisbeingused.Anyweldingandorbrazingotherthanallowedrepair,prohibited.Maximumvalvesize2.25”.Anycommerciallyavailablestainlesssteelvalvepermitted.Titaniumvalvesand/orspringsprohibited.Titaniumretainerspermitted.Uptooneintakeand/oroneexhaustrunnermayberepairedbybrazing,weldingorepoxy.Flowandordirectionalchangesbyuseofsaidepoxyisstrictlyprohibited.ThestockOEMintakeboltflangemustbeusedandmaintained.Headgasketsmustbeconventionalstyle,embossedsteelorcompositionwithaMAXcompressedthicknessof.120”.Nopartofthematingsurfaceofthehead/headgasketmayextendorprotrudeintothecylinderoftheblock.

EnginemustuseOEMmassproducedcastironpassengercarcylinderheads,OEMfactoryhighoutputorhighperformance“Limited”productioncylinderheadsprohibited.Entrantmustsubmitheadpartnumberforpre-approvalbyEMCRulescommitteepriortoacceptance.

Cylinderheadmustmatchenginetype.Portingpermitted.Weldingorepoxyfillerprohibited.Pushrodtubeorsleevemodificationprohibited.Minimumvalvestemdiameter5/16”.Tivalvespringsprohibited.Guideplatespermitted.Valveanglemustremainaspermanufacture’sspecifications,+1/-1degree.Anyretainerpermitted.Flangeadaptersthatconnecttheexhaustportstotheheaderprohibited.305 -IGNITIONEnginemustuseDistributorONLY.Cranktriggerprohibited

Otherignitiontriggerdevicesprohibited.Sparkadvancefunctionsmustbebyconventionalmechanicalsystemswithinthedistributoronly.Distributorandsinglecoilignitiononly.Programmableignitionsand/orignitionboxes/devicesareprohibited.Hookupofcomputerorremoteprogrammingdeviceofanykindtoignitionsystemprohibited.Sparkplugwiresmustbecommerciallyavailable.Ignitioncomponentsmustbemountedonaplateattachedtotheflywheelsideoftheengineblockorbackoftheheads/intake.OEMsizecoilmaybemountedinstocklocationiftheintakeprovidesthemountingprovisions.306 -CARBURETIONSingle4150-stylecarburetoronly.1.780-inchmaximumthrottleplatediameter.Minimumthrottleshaft-.085”measuredatthinnestpoint;minimumthrottleplatethickness-.038”measuredatthinnestpoint.Cuttingandreassemblingcarburetorprohibited.Nosplitorstretchedstylebaseplatespermitted.Slidevalvecarburetorprohibited.Carburetormust

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havefourindividualventuriandfourindividualthrottleblades.Wateroranyotherauxiliaryfluidinjectionsystemsprohibited.Enginesmustbeequippedwithasinglepointrearward-pullmechanicalthrottlelinkagecompatiblewiththedynoactuationlinkage.Abracketprovidingananchorpointforthedynothrottlecableandacompatiblelinkageballisrequiredatthepullpoint.AdiagramdetailingtherequirementwillbeprovidedtoallacceptedEMCparticipants.Allengineswillutilizeapre-pumpfuelfilter,electricfuelpumpandregulatorandsupplylinefiltersuppliedbythedynofacilityandeachenginebuilderutilizingacarburetorwilldeterminethefuelpressure.Bothsingleanddualfeedapplicationwillbegivenone(1)type8ANconnectionfuellinelocatedontheSUPERFLOWdynochassisapproximately46inchesfromyourcarburetor,sodesignyoursystemaccordingly.Knock(detonation)sensorsprohibited.307 -FUELINJECTIONTheuseofcommerciallyavailableboltonstandalone4150EFIthrottlebodyunitispermitted.(ExampleFiTech,Sniper.)AnyignitioncontrolisprohibitedfromEFI.1.780”throttleboreMAX.

Knock(detonation)sensorsprohibited.Wateroranyotherauxiliaryfluidinjectionsystemsprohibited.Thethrottlebodymustbeequippedwithasinglepointrearward-pullmechanicalthrottlelinkagecompatiblewiththedynoactuationlinkage.Abracketprovidingananchorpointforthedynothrottlecableandacompatiblelinkageballisrequiredatthepullpoint.AdiagramdetailingtherequirementwillbeprovidedtoallacceptedEMCparticipants.

Fuelpressureregulationwillbeprovidedbyasystemconsistingofpre-pumpfilter,electricfuelpump,regulatorandsupplylinefilteraspartofthedynofuelsystem.Fuelpressurewillbesetat65psimaximumonthedynofuelpressuregauge.Fuelpressurewillbesetpriorenginestartup(engineoff).ThisisaSupplyandReturnsystem.Asingle-8ANfittingwillberequiredforfuelhook-upandwillbeprovidedapproximately46inchesfromcenterofengineaslockeddownonSUPERFLOWdyno.Asingle–8ANfittedandreturnfuellinewillbesuppliedtofueltank.

310 -AIRSUPPLYDynocell(Room)supplied/Freshair311 -AIRFILTERHeatshieldsorplatesbetweentheintakemanifoldandcarburetorprohibited.Thisincludesanystructuredeemedbytheeventpersonnelasdesignedtotakeadvantageofairflowindynoinstallation.Structuresuchasramtubes,velocitystacks,etc.attachedtotheinletportionofthecarburetorareprohibited.312 -CAMSHAFT/LIFTERS/VALVELIFT

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312A-CAMSHAFTCamshaftmaybecustomgroundflattappetorhydraulicroller.CamshaftmustmaintainOEMjournaldiametersasoriginallymanufacturedinproductionforengineclaimed.Rollercambearingsprohibited.Weldedcamshaftcoresprohibited.Nitridedcorespermitted.CambearingO.D.islimitedtoamaxof1mmoversizeforengineclaimed.MaximumvalveliftatZEROlashis.600”forBigBlockand.550”forSmallBlock.312B-LIFTERSEnginemustretainOEMlifterboresizeforengineselected.Lifterborebushingspermittedforpurposeofblueprintingpermitted.Relocationoflifterboreorlifterborebushingprohibited.312C-CAMSHAFTDRIVEAcommerciallyavailablethreepiecetimingchainsetrequired.Beltdrives,exposedorhiddenundercoversprohibited.313 -INTAKEMANIFOLDEnginemustuseamassproducedcommerciallyavailablecastaluminumorOEMsinglefourbarrelintakemanifoldwithcentrallylocatedcarburetor/throttlebodyflangerequired.IntakemanifoldINCLUDINGalladditionalgasketsandspacersmaynotbetallerthan7inchesforSmallblockor8inchesforBigBlockmeasuredatthecarb/throttlebodymountingflange.Themeasurementofcarbflangeistheaveragebetweenthefrontandreardimensionstakenfromtheenginechinarailtoastraightedgeacrossthecarb/throttlebodymountingsurface.Pontiacengineswillbemeasuredusingalinedrawnatdeckbetweenbothsides,frontandrear.Usinganintakemanifoldthatisdesignedforadifferentmakeorfamilyofengineprohibited.Maximumthicknessbetweenintakemanifold&cylinderhead0.100”measuredwitha“go-nogo”gaugewithengineassembledastoberun.Externalbypasscoolantlinesprohibited.Allcarburetorsmustmounttotheintakemanifoldflange.Portinginteriorsurfacesoftheintakepermitted.Weldingand/orepoxyfillerprohibitedonanypartofcastmanifold.314 -CONNECTINGRODSAnycommerciallyavailablesteelconnectingrodspermitted.Aluminum,titanium,oranyotherexoticmaterialsprohibited.315 -PISTONSANDRINGSAnycommerciallyavailablepistonspermitted.Custom-made,modified,and/orcoatedpistonspermitted.Verticalgasportsprohibited.Pistonsmayhavehorizontalgasports.Theringpackagemustconsistoftwocompressionringsandasingleoilringassembly.Compressionringsmustbe1mm”orlargerrings.Minimumoilringassemblywidthis2-mm.316 -COMPRESSIONRATIOCompressionratiolimitedto10:5:1

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317 -ROCKERARMSMustbeOEMrockerarmorNHRAstockeliminatoracceptedboltonassembliesusingfactorymountingprovisionsforengineclaimed.Basicdrillandtapstyleworkispermitted.Nomachiningofpedestalspermitted.Fabricatedmountingplatesprohibited318 -HEADERSPassengercarchassisstyleheadersrequired.HeadermustbemanufacturedandcatalogedtofitaspecificpassengercarapplicationOEMequippedwiththeenginetypeclaimed.Manufacturer’spartnumbermustbestampedintotheheader.Header’sidentifyingpartnumberandapplicationmustmatchcurrentprintedmanufacturer’scatalogforverification.Competitorisrequiredtopresentprintedcatalogshowingheaderpartnumberandapplication.Maximumcollectordiameter4".Minimumcollectordiameter3.500".Collectormustbesmooth(Round)withnoflange.Crankcaseventilationsystemsthatventtoanycomponentoftheexhaustsystemareprohibited.BungsforLambda02sensorspermitted.Thermalheaderwraps(suchasKevlarfabric)prohibited.Exhaustsystemsmustbeproperlysealedfromtheheaderflangetothemufflerinlet.Adaptorplatesbetweencylinderhead&headerprohibited.319 -MUFFLERSH-pipes,X-pipes,oranysuchconnectionbetweentheleftandrightheadersand/ortheexhaustsystemprohibited.Adiagramoftherequirementsforexhausthook-uptothedynofacilitywillbeprovidedtoallparticipants.MufflerswillNOTbeutilizedinthedynocell.321-OILPAN/SCRAPEROilpanmustbepassengercarchassisstyle.Stampedsteel/weldedconstructiononly.Oilpanmustbemanufacturedandcatalogedtofitaspecificpassengercarapplication.OilPanidentifyingpartnumberandapplicationmustmatchcurrentprintedmanufacturer’scatalogforverification.Competitorisrequiredtopresentprintedcatalogshowingoilpanpartnumberandapplication.Oilpanmustfittheblockwithoutalteration.Modificationand/oralterationoftheas-manufacturedoilpanprohibited.Crankscrapersand/orwindagetrayspermitted.Commerciallyavailablecastorbilletreplacementstyleoilpumpallowed.OilpumpmustmountinfactorylocationusingOEMstyleprovisionfortheenginetype.Drysumpsystemsandvacuumpumpsprohibited.Oilsystemaccumulatorsprohibited.Externaloilfeedlinesprohibited.Belt-drivenexternaloilpumpsprohibited.Electricallypoweredoilpumpsprohibited.Drainplugmustbe½-20thread.

322-OILAllenginesmustbeshipped“dry”.Enginewillberequiredtouseatleast5quartsofoil.Participantswillonlyusesuppliedoilforcompetition.PropyleneOxideorotheroxidizingagents/substancesprohibited.Oilisprovidedattheevent.Oilfiltermustbedryandwillberemovedforinspectionpriortorunning.

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323-OILADDITIVESNooiladditivespermitted.324-WATERPUMPWaterpumpmustbebeltdrivenbycrankshaft.Mechanicalwaterpumprequired.WaterpumpsmustbemountedintheOEMlocation.WaterflowinandoutofthewaterpumpmustbeprovidedbytheOEMblockprovisionsonly.Useofacoolingsystemthermostatprohibited.Water"feed"connectionsarelimitedtoasetdiameterof1.5inchO.D.andwater"return"connectionsarelimitedtoasetdiameterof1.5inchO.D.Additionalplumbingrequiredtoadaptenginetothesesizesisparticipant’sresponsibility.Iftheconnectionsyouhavedonotmatchthesizeslistedaboveyoucouldberequiredtoforfeityourpositionintherunorder.325-ELECTRICALCONNECTIONSBEPREPARED!Participantsshouldarriveattheeventfullyprepared(tools&supplies)toalterorchangetheelectricalconnectionsontheirengineduringthePreDynoTechtofittherequiredconnectionsonthedyno.FailuretocomplywithRule(section325)couldresultinlossof,orforfeitureofrunposition.Itistheparticipant’sresponsibilitytoassuretheelectricalequipmentontheenginewillworkwiththeSUPERFLOWdynoconnectorsatlocation.326-STARTERNotrequired.StarterisbuiltintotheSuperflowdynosystem.327-FLYWHEEL/FLEXPLATEAnycommerciallyavailable,unmodifiedSFI-certifieddomesticmanualSTEELtransmissionflywheelmandatory.Flexplatesprohibited.Specialorderflywheelsprohibited.InstallationandtorqueoftheflywheelboltswillbedonebytheTeamLeaderandobservedbyanEMCTechofficial.Starterringmayberemovedfromtheflywheel(recommended).328-BELLHOUSINGEachEngineenteredinEMC"MUST"fittheSuperFlowProBellhousing.TheBellhousingispartoftheSuperFlowsystemattheJEpistonsR&DDynothatisbeingusedintheEMCcompetition.(ItistheresponsibilityofeachparticipanttomakesurehisenginewillfitaSuperFlowProbellhousing)329-COATINGSAnycommerciallyavailableperformancecoatingpermitted.Theapplicationofthermaland/orfrictioncoatingscanbeperformedatanytimepriortothecompetitiononanypart.Coatingapartisnotconsideredamodification,andpartsthatcannotbelegallymodified,maybecoated.330-FUELGasolinesuppliedattheeventwillbeSunoco.ExactfuelTBD.

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CoyoteShootoutTECHNICALRULES–Section300ScoreRange3500–8500RPMNOTE:ThisclasswillNOTuseacubicinchdividerinscoringforenginedisplacement.

DynoThermostatissetat150-165degrees.

EachTeamandTeamleaderwillberesponsibleforcartingtheirownengines.EMCstaffwillassistwithinstallationonthedyno.

IfyouarenotfamiliarwiththecartingofSuperflow902DynowithsuperFlowProBellhousingitishighlysuggestyougetfamiliar.

300-ENGINECurrentproductionOEMFordCoyote.NormallyAspirated.

Poweraddersprohibited.Anymethodofartificiallyheatingand/orcoolingenginefluids,fuel,and/orairprohibited(nottoincludethermalorfrictioncoatings).Thisincludes,butisnotlimitedto,heatingand/orcoolingbymechanicaldevicesuchasanexternalcoolerorradiator/heatexchanger,pre-heatingorcoolingofanyfluidswithanoilheaterorfuelheater/cooler,ortheadditionofatemperature-alteringdevicedesignedtocoolorheattheincomingairchargebymechanicalmeanssuchasanintercooler,chemicalmeanssuchasachemicaltocooleithertheincomingair/fuelchargeorintakemanifold,orelectricalmeanssuchasanelectricoilheaterinsideoroutsidetheengine.AftermarketSFIspec18.1harmonicbalancermandatory.301–DISPLACEMENTMaximumBore3.705-inchMaximumStroke3.65-inchMaximumCID315Cubicinchiscalculatedbyborexborexstrokex6.2832.Boreandstrokearemeasuredtothethirddecimalplace,i.e.0.001.Cubicinchesarecalculatedtoone(1)decimalplacei.e.350.0.Anypartofacubicinchisroundeduptothenexthighestinch(i.e.301.2=302)forthepurposeofclaimedcubicinchofengine.Boreismeasuredattopofcylinderwhereringwearisnotevident.Boreandstrokearemeasuredtothethirddecimalplace,i.e.0.001.302-ENGINEBLOCKDomesticOEMproductionCoyoteengineblock.EngineblockmustretainOEMcylinderborespacingandOEMblockangle.Lifterboresmaybebushed.Theresponsibilityforadaptingto

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theSUPERFLOWdynocartisthatoftheparticipant.303-MOTORPLATESFrontstyle“motorplates”or“wings”areREQUIREDforinstallationontheSuperflowDyno.Motorplatemustbebetween26"and29"totalwidthasmeasuredacrossthecamshaftcenterline.1/4"Aluminumorsteelplatesareacceptable.304–CRANKSHAFTMaxstoke3.65-inch.AnyOEMorcommerciallyavailableforgedsteelcrankshaftpermitted.AftermarketBilletcrankshaftsprohibited.NOTE:ParticipantsCrankshaftmusthaveapilotbushinginstalledinthereartofacilitateDynoinputshaftinstallation/alignment.305-CYLINDERHEADSOEMproductionCoyotecylinderheads.Maxvalvesize1.550INT/1.340EXH.LiveVCTpermitted.Anycommerciallyavailablestainlesssteelvalvespermitted.Titaniumvalvesand/orspringsprohibited.Titaniumretainerspermitted.Unlimitedportingpermitted.Welding,and/orfillingtheinsideoftheintakeports,exhaustportsand/orcombustionchambersprohibited.Modificationstotheexteriorsurfacesoftheintakeand/orexhaustports,suchasweldingand/oraddingadditionalmaterialtoincreaseportsizeortoaltertheportdesignprohibited.Alteringtheplacementofthevalvesorsparkplugfromthecylinderhead’sas-manufacturedconfigurationprohibited.Flangeadaptersthatconnecttheexhaustportstotheheaderprohibited.306–IGNITION

Commerciallyavailable.Sparkplugwiresmustbecommerciallyavailable.

Ignitioncomponentsmustbemountedonaplateattachedtotheback(Rear)oftheheads/intake.307-CARBURETIONPermitted.Carburetormusthavefourindividualventuriandfourindividualthrottleblades.Enginesmustbeequippedwithasinglepointrearward-pullmechanicalthrottlelinkagecompatiblewiththedynoactuationlinkage.Abracketprovidingananchorpointforthedynothrottlecableandacompatiblelinkageballisrequiredatthepullpoint.AdiagramdetailingtherequirementwillbeprovidedtoallacceptedEMCparticipants.

Allengineswillutilizeapre-pumpfuelfilter,electricfuelpumpandregulatorandsupplylinefiltersuppliedbythedynofacilityandeachenginebuilderutilizingacarburetorwilldeterminethefuelpressure.Bothsingleanddualfeedapplications,willbegivenone(1)type8ANconnectionfuellinelocatedontheSUPERFLOW/DTSdynochassisapproximately46inchesfromyourcarburetor,sodesignyoursystemaccordingly.Knock(detonation)sensorsprohibited.

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308-FUELINJECTIONPermitted.Singleinjectorpercylinder.Commerciallyavailablesinglethrottlebodyonly.Wateroranyotherauxiliaryfluidinjectionsystemsprohibited.Thethrottlebodymustbeequippedwithasinglepointrearward-pullmechanicalthrottlelinkagecompatiblewiththedynoactuationlinkage.Abracketprovidingananchorpointforthedynothrottlecableandacompatiblelinkageballisrequiredatthepullpoint.AdiagramdetailingtherequirementwillbeprovidedtoallacceptedEMCparticipants.

Fuelpressureregulationwillbeprovidedbyasystemconsistingofpre-pumpfilter,electricfuelpump,regulatorandsupplylinefilteraspartofthedynofuelsystem.Fuelpressurewillbesetat65psimaximumonthedynofuelpressuregauge.Fuelpressurewillbesetpriorenginestartup(engineoff).ThisisaSupplyandReturnsystem.Asingle-8ANfittingwillberequiredforfuelhook-uptothefuelrailsandwillbeprovidedapproximately46inchesfromcenterofengineaslockeddownonSUPERFLOWdyno.Asingle–8ANfittedandreturnfuellinewillbesuppliedtofueltank.

FuelInjectionECUcomponentsmustbemountedonaplateattachedtotheflywheelsideoftheengineblock.

310-AIRSUPPLYDynocell(Room)supplied/Freshair311-AIRFILTERHeatshieldsorplatesbetweentheintakemanifoldandthrottlebody/carburetorpermitted.Anystructuredeemedbytheeventpersonnelasdesignedtotakeadvantageofairflowindynoinstallationprohibited.Structuresuchasramtubes,velocitystacks,etc.attachedtotheinletportionofthethrottlebodyorcarburetorisprohibited.312-CAMSHAFT/LIFTERS/VALVELIFT312A–CAMSHAFTUnlimited312B–LIFTERS/LASHADJUSTERSOEMhydraulicadjustersrequired.EnginemustretainOEMlifterboresizeforengineselected.Lifterborebushingsforpurposeofblueprintingpermitted.Relocationoflifterboreorlifterborebushingprohibited.312C-VALVELIFTUNLIMITED313-CAMSHAFTDRIVECommerciallyavailable.

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314-INTAKEMANIFOLDCommerciallyavailable.Billetmanifoldsprohibited.Sendemailrequestforpre-approvalifmanifoldisatallquestionable.ForwardfacingthrottlebodyonlyforEFIcombinations.Anycarburetororthrottlebodymustmounttotheintakemanifoldflange.Maximumallowedgasketand/orspacerthicknessbetweenintakemanifoldmountingflangeandcarburetoris2.000-inch.Portinginteriorsurfacesoftheintakepermitted.315-CONNECTINGRODSAnycommerciallyavailablesteelconnectingrodspermitted.Aluminum,titanium,oranyotherexoticmaterialsprohibited.316-PISTONSANDRINGSAnycommerciallyavailablepistonspermitted.Custom-made,modified,and/orcoatedpistonspermitted.Gasportspermitted.Pistonsmayhavehorizontalgasports.Theringpackagemustconsistoftwocompressionringsandasingleoilringassembly.Compressionringsmustbe1mmorthickerrings.Minimumoilringassemblywidthis2-mm.317-COMPRESSIONRATIOCompressionratiolimitedto15:1maximum.318-ROCKERARMSOEMfollowerrequired.319–HEADERSChassis-styleexhaustheaders.HeadersmustbecommerciallyavailableandcatalogedforOEMFordMustangCoyoteapplication.Engineswapheadersprohibited.Header’sidentifyingpartnumberandapplicationmustmatchcurrentprintedmanufacturer’scatalogforverification.Competitorisrequiredtopresentprintedcatalogshowingheaderpartnumberandapplication.Maximumcollectordiameter4".Minimumcollectordiameter3.500”.Collectormustbesmooth(Round)withnoflange.Crankcaseventilationsystemsthatventtoanycomponentoftheexhaustsystemareprohibited.BungsforLambda02sensorspermitted.Thermalheaderwraps(suchasKevlarfabric)prohibited.Exhaustsystemsmustbeproperlysealedfromtheheaderflangetothemufflerinlet.Adaptorplatesbetweencylinderhead&headerprohibited.320-MUFFLERSH-pipes,X-pipes,oranysuchconnectionbetweentheleftandrightheadersand/ortheexhaustsystemprohibited.Adiagramoftherequirementsforexhausthook-uptothedynofacilitywillbeprovidedtoallparticipants.Mufflerswillnotbeutilizedinthedynocell.321-OILPAN/SCRAPEROEMreplacementstyleaftermarketCoyotepassengercaroilpanrequired.CommerciallyavailableOEMorreplacementstyleoilpumprequired.OilpumpmustmountinfactorylocationusingOEMstyleprovision.Oilpanmustbemanufacturedandcatalogedtofita

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specificapplication.Competitorisrequiredtopresentprintedcatalogshowingoilpanpartnumberandapplication.Oilpanmustfittheblockwithoutalteration.Modificationand/oralterationoftheas-manufacturedoilpanprohibited.Crankscrapersand/orwindagetrayspermitted.CommerciallyavailablecastorbilletOEMreplacementstyleoilpumpallowed.OilpumpmustmountinfactorylocationusingOEMstyleprovisionfortheenginetype.Drysumpsystemsandvacuumpumpsprohibited.Oilsystemaccumulatorsprohibited.Externaloilfeedlines&ExternalOilDrainbacklinesprohibited.Belt-drivenexternaloilpumpsprohibited.Electricallypoweredoilpumpsprohibited.Drainplugmustbe½-20thread.322-OILAllenginesmustbeshipped“dry”.Enginewillberequiredtouseatleast5quartsofoil.Participantswillonlyusesuppliedoilforcompetition.PropyleneOxideorotheroxidizingagents/substancesprohibited.Oilisprovidedattheevent.Oilfiltermustbedryandwillberemovedforinspectionpriortorunning.323-OILADDITIVESNooiladditivespermitted.324-WATERPUMPWaterpumpmustbebeltdrivenbycrankshaft.Mechanicalwaterpumprequired.WaterpumpsmustbemountedintheOEMlocation.WaterflowinandoutofthewaterpumpmustbeprovidedbytheOEMblockprovisionsonly.Useofacoolingsystemthermostatprohibited.Water"feed"connectionsarelimitedtoasetdiameterof1.5inchO.D.andwater"return"connectionsarelimitedtoasetdiameterof1.5inchO.D.Additionalplumbingrequiredtoadaptenginetothesesizesisparticipant’sresponsibility.Iftheconnectionsyouhavedonotmatchthesizeslistedaboveyoucouldberequiredtoforfeityourpositionintherunorder.325-ELECTRICALCONNECTIONSBEPREPARED!Participantsshouldarriveattheeventfullyprepared(tools&supplies)toalterorchangetheelectricalconnectionsontheirengineduringthePreDynoTechtofittherequiredconnectionsonthedyno.FailuretocomplywithRule(section325)couldresultinlossof,orforfeitureofrunposition.Itistheparticipant’sresponsibilitytoassuretheelectricalequipmentontheenginewillworkwiththeSUPERFLOWdynoconnectorsatlocation.326-STARTERNotrequired.StarterisbuiltintotheSuperflowdynosystem.327-FLYWHEEL/FLEXPLATEAnycommerciallyavailable,unmodifiedSFI-certifieddomesticmanualSTEELtransmissionflywheelmandatory.Flexplatesprohibited.Specialorderflywheelsprohibited.InstallationandtorqueoftheflywheelboltswillbedonebytheTeamLeaderandobservedbyanEMCTechofficial.Starterringmayberemovedfromtheflywheel(recommended).

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328-BELLHOUSINGEachEngineenteredinEMC"MUST"fittheSuperFlowProBellhousing.TheBellhousingispartoftheSuperFlowsystemattheJEpistonsR&DDynothatisbeingusedintheEMCcompetition.(ItistheresponsibilityofeachparticipanttomakesurehisenginewillfitaSuperFlowProbellhousing)329-COATINGSAnycommerciallyavailableperformancecoatingpermitted.Theapplicationofthermaland/orfrictioncoatingscanbeperformedatanytimepriortothecompetitiononanypart.Coatingapartisnotconsideredamodification,andpartsthatcannotbelegallymodified,maybecoated.330-FUELGasolinesuppliedattheeventwillbeSunoco.ExactfuelTBD.

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ExtremeLSTECHNICALRULES–Section300ScoreRange3500-8000RPM(NOTE:ThisclasswillNOTuseacubicinchdividerinscoringforenginedisplacement.

DynoThermostatissetat150-165degrees.

EachTeamandTeamleaderwillberesponsibleforcartingtheirownengines.EMCstaffwillassistwithinstallationonthedyno.

IfyouarenotfamiliarwiththecartingofSuperflow902DynowithsuperFlowProBellhousingitishighlysuggestyougetfamiliar.

300–ENGINENormallyaspirated,domesticLSsmallblockpushrodtwo-valveengineonly.

Poweraddersprohibited.Anymethodofartificiallyheatingand/orcoolingenginefluids,fuel,and/orairprohibited(nottoincludethermalorfrictioncoatings).Thisincludes,butisnotlimitedto,heatingand/orcoolingbymechanicaldevicesuchasanexternalcoolerorradiator/heatexchanger,pre-heatingorcoolingofanyfluidswithanoilheaterorfuelheater/cooler,ortheadditionofatemperature-alteringdevicedesignedtocoolorheattheincomingairchargebymechanicalmeanssuchasanintercooler,chemicalmeanssuchasachemicaltocooleithertheincomingair/fuelchargeorintakemanifold,orelectricalmeanssuchasanelectricoilheaterinsideoroutsidetheengine.AftermarketSFIspec18.1harmonicbalancermandatory.301–DISPLACEMENTMaximumdisplacement440cubicinches.Cubicinchiscalculatedbyborexborexstrokex6.2832.Boreandstrokearemeasuredtothethirddecimalplace,i.e.0.001.Cubicinchesarecalculatedtoone(1)decimalplacei.e.350.0.Anypartofacubicinchisroundeduptothenexthighestinch(i.e.301.2=302)forthepurposeofclaimedcubicinchofengine.302-ENGINEBLOCKOEMproductionpassengercaroraftermarketcastiron,non-skirtedblockpermitted.HybridLSprohibited.LSEngineblockmustretainOEMcylinderborespacing4.400andOEMblockangle.Lifterboresmaybebushed.TheresponsibilityforadaptingtotheSUPERFLOWdynocartisthatoftheparticipant.

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303-MOTORPLATESFrontstyle“motorplates”are"required"forinstallationontheSuperflowDynocart.Motorplatemustbebetween26"and29"widthasmeasuredacrossthecamshaftcenterline.1/4"Aluminumorsteelplateisacceptable.304-CRANKSHAFTAnycommerciallyavailablecrankshaftpermitted.NOTE:ParticipantsCrankshaftmusthaveapilotbushinginstalledinthereartofacilitateDynoinputshaftinstallation/alignment.305-CYLINDERHEADSCommerciallyavailable,castaluminum,inlinevalve,12degree(minimumangle)LSheadpermitted.Cylinderheadsmustretainthepassengercarproductionportconfiguration.Anyvalveseatsizeand/orvalvesizepermitted.Anycommerciallyavailablevalvespermitted.Titaniumspringsprohibited.Titaniumretainerspermitted.Headusedmustbeavailabletothegeneralpublicandcatalogedassuch.Unlimitedportingpermitted.Welding,and/orfillingtheinsideoftheintakeports,exhaustportsand/orcombustionchambersprohibited.Modificationstotheexteriorsurfacesoftheintakeand/orexhaustports,suchasweldingand/oraddingadditionalmaterialtoincreaseportsizeortoaltertheportdesignprohibited.Alteringtheplacementofthevalvesorsparkplugfromthecylinderhead’sas-manufacturedconfigurationprohibited.Cylinderheadmustmatchenginetype.Combustionchambervolumeoptional.Valvestemdiameter8MMminimum.Valveanglemustremainaspermanufacture’sspecifications,+1/-1degree.Flangeadapters/portextensions,thatconnecttheexhaustportstotheheaderprohibited.306–IGNITIONCommerciallyavailable.Programmableignitionsand/orignitionboxes/devicesarepermitted.Hookupofcomputerorremoteprogrammingdeviceofanykindtoignitionsystempermitted.Sparkplugwiresmustbecommerciallyavailable.Ignitioncomponentsmustbemountedonaplateattachedtotheback(Rear)oftheheads/intake.OEMsizecoilmaybemountedinstocklocationiftheintakeprovidesthemountingprovisions.307–CARBURETIONSingle(One)4150carburetoronly.Minimumthrottleshaft-.085”measuredatthinnestpoint;minimumthrottleplatethickness-.038”measuredatthinnestpoint.Cuttingandreassemblingcarburetorprohibited.Slidevalvecarburetorprohibited.CarburetormusthavefourindividualventuriandfourindividualthrottlebladesasperOEMfora4150stylecarburetor.

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ORSingle(One)4500carburetoronly.Minimumthrottleshaft-.085”measuredatthinnestpoint;minimumthrottleplatethickness-.038”measuredatthinnestpoint.Cuttingandreassemblingcarburetorprohibited.Slidevalvecarburetorprohibited.Carburetorspacerlimitedtototalheightof1.500-inchincludinggaskets.Wateroranyotherauxiliaryfluidinjectionsystemsprohibited.Enginesmustbeequippedwithasinglepointrearward-pullmechanicalthrottlelinkagecompatiblewiththedynoactuationlinkage.Abracketprovidingananchorpointforthedynothrottlecableandacompatiblelinkageballisrequiredatthepullpoint.AdiagramdetailingtherequirementwillbeprovidedtoallacceptedEMCparticipants.

Wateroranyotherauxiliaryfluidinjectionsystemsprohibited.

Allengineswillutilizeapre-pumpfuelfilter,electricfuelpumpandregulatorandsupplylinefiltersuppliedbythedynofacilityandeachenginebuilderutilizingacarburetorwilldeterminethefuelpressure.Bothsingleanddualfeedapplications,willbegivenone(1)type8ANconnectionfuellinelocatedontheSUPERFLOWdynochassisapproximately46inchesfromyourcarburetor,sodesignyoursystemaccordingly.Knock(detonation)sensorsprohibited.308-FUELINJECTIONPermitted.Commerciallyavailable.Singleinjectorpercylinder.Commerciallyavailablesinglecentral4150or4500flangethrottlebody,orforwardfacingthrottlebodypermitted.Throttlebodyspacerlimitertototalheightof1.500-inchincludinggaskets.

Knock(detonation)sensorsprohibited.Wateroranyotherauxiliaryfluidinjectionsystemsprohibited.Thethrottlebodymustbeequippedwithasinglepointrearward-pullmechanicalthrottlelinkagecompatiblewiththedynoactuationlinkage.Abracketprovidingananchorpointforthedynothrottlecableandacompatiblelinkageballisrequiredatthepullpoint.AdiagramdetailingtherequirementwillbeprovidedtoallacceptedEMCparticipants.

Fuelpressureregulationwillbeprovidedbyasystemconsistingofpre-pumpfilter,electricfuelpump,regulatorandsupplylinefilteraspartofthedynofuelsystem.Fuelpressurewillbesetat65psimaximumonthedynofuelpressuregauge.Fuelpressurewillbesetpriorenginestartup(engineoff).ThisisaSupplyandReturnsystem.Asingle-8ANfittingwillberequiredforfuelhook-uptothefuelrailsandwillbeprovidedapproximately46inchesfromcenterofengineaslockeddownonSUPERFLOWdyno.Asingle–8ANfittedandreturnfuellinewillbesuppliedtofueltank.

FuelInjectionECUcomponentsmustbemountedonaplateattachedtotheflywheelsideoftheengineblock.

310-AIRSUPPLYDynocell(Room)supplied/Freshair

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311-AIRFILTERHeatshieldsorplatesbetweentheintakemanifoldandcarburetorpermitted.Anystructuredeemedbytheeventpersonnelasdesignedtotakeadvantageofairflowindynoinstallationprohibited.Structuresuchasramtubes,velocitystacks,etc.attachedtotheinletportionofthecarburetorareprohibited.312-CAMSHAFT/LIFTERS/VALVELIFT312A–CAMSHAFTCamshaftmaybecustomground.Rollercamshaftpermitted.Clamshellprohibited.312B–LIFTERSCommerciallyavailableLifterborebushingspermitted.312C–VALVELIFTAnyvalveliftpermitted.313-CAMSHAFTDRIVECommerciallyavailable.314-INTAKEMANIFOLDBilletmanifoldsprohibited.Anycarburetororthrottlebodymustmounttotheintakemanifoldflange.Maximumallowedgasketand/orspacerthicknessbetweenintakemanifoldmountingflangeandcarburetoris1.500-inch.Portinginteriorsurfacesoftheintakepermitted.315-CONNECTINGRODSAnycommerciallyavailablesteeloraluminumconnectingrodspermitted.Titanium,oranyotherexoticmaterialsprohibited.316-PISTONSANDRINGSAnycommerciallyavailablepistonspermitted.Custom-made,modified,and/orcoatedpistonspermitted.Gasportingpermitted.Theringpackagemustconsistoftwocompressionringsandasingleoilringassembly.Compressionringsmustbe1mmorthickerrings.Minimumoilringassemblywidthis2-mm.317-COMPRESSIONRATIOUnlimited.318-ROCKERARMSMustbecommerciallyavailable.

319-HEADERSPassengercarchassisstyleheadersrequired.HeadermustbemanufacturedandcatalogedtofitaLSproductionpassengercarapplicationOEMequippedwithLSengine.Header’s

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identifyingpartnumberandapplicationmustmatchcurrentprintedmanufacturer’scatalogforverification.Competitorisrequiredtopresentprintedcatalogshowingheaderpartnumberandapplication.Maximumcollectordiameter4".Minimumcollectordiameter3.500".Collectormustbesmooth(Round)withnoflange.Crankcaseventilationsystemsthatventtoanycomponentoftheexhaustsystemareprohibited.BungsforLambda02sensorspermitted.Thermalheaderwraps(suchasKevlarfabric)prohibited.Exhaustsystemsmustbeproperlysealedfromtheheaderflangetothemufflerinlet.Adaptorplatesbetweencylinderhead&headerprohibited.320-MUFFLERSH-pipes,X-pipes,oranysuchconnectionbetweentheleftandrightheadersand/ortheexhaustsystemprohibited.Adiagramoftherequirementsforexhausthook-uptothedynofacilitywillbeprovidedtoallparticipants.MufflerswillNOTbeutilizedinthedynocell.321-OILPAN/SCRAPERCommerciallyavailable.Oilpanmustfittheblockwithoutalteration.Modificationand/oralterationoftheas-manufacturedoilpanprohibited.Crankscrapersand/orwindagetrayspermitted.Commerciallyavailablecastorbilletreplacementstyleoilpumpallowed.OilpumpmustmountinfactorylocationusingOEMstyleprovisionfortheenginetype.Drysumpsystemsandvacuumpumpsprohibited.Oilsystemaccumulatorsprohibited.Externaloilfeedlines&ExternalOilDrainbacklinesprohibited.Belt-drivenexternaloilpumpsprohibited.Electricallypoweredoilpumpsprohibited.Drainplugmustbe½-20thread.322-OILAllenginesmustbeshipped“dry”.Enginewillberequiredtouseatleast5quartsofoil.Participantswillonlyusesuppliedoilforcompetition.PropyleneOxideorotheroxidizingagents/substancesprohibited.Oilisprovidedattheevent.Oilfiltermustbedryandwillberemovedforinspectionpriortorunning.323-OILADDITIVESNooiladditivespermitted.324-WATERPUMPWaterpumpmustbebeltdrivenbycrankshaft.Mechanicalwaterpumprequired.WaterpumpsmustbemountedintheOEMlocation.WaterflowinandoutofthewaterpumpmustbeprovidedbytheOEMblockprovisionsonly.Useofacoolingsystemthermostatprohibited.Water"feed"connectionsarelimitedtoasetdiameterof1.5inchO.D.andwater"return"connectionsarelimitedtoasetdiameterof1.5inchO.D.Additionalplumbingrequiredtoadaptenginetothesesizesisparticipant’sresponsibility.Iftheconnectionsyouhavedonotmatchthesizeslistedaboveyoucouldberequiredtoforfeityourpositionintherunorder.325-ELECTRICALCONNECTIONSBEPREPARED!Participantsshouldarriveattheeventfullyprepared(tools&supplies)toalterorchangetheelectricalconnectionsontheirengineduringthePreDynoTechtofittherequiredconnectionsonthedyno.FailuretocomplywithRule(section325)couldresultinlossof,orforfeitureofrunposition.

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Itistheparticipant’sresponsibilitytoassuretheelectricalequipmentontheenginewillworkwiththeSUPERFLOWdynoconnectorsatlocation.326-STARTERNotrequired.StarterisbuiltintotheSuperflowdynosystem.327-FLYWHEEL/FLEXPLATEAnycommerciallyavailable,unmodifiedSFI-certifieddomesticmanualSTEELtransmissionflywheelmandatory.Flexplatesprohibited.Specialorderflywheelsprohibited.InstallationandtorqueoftheflywheelboltswillbedonebytheTeamLeaderandobservedbyanEMCTechofficial.Starterringmayberemovedfromtheflywheel(recommended).328-BELLHOUSINGEachEngineenteredinEMC"MUST"fittheSuperFlowProBellhousing.TheBellhousingispartoftheSuperFlowsystemattheJEpistonsR&DDynothatisbeingusedintheEMCcompetition.(ItistheresponsibilityofeachparticipanttomakesurehisenginewillfitaSuperFlowProbellhousing)329-COATINGSAnycommerciallyavailableperformancecoatingpermitted.Theapplicationofthermaland/orfrictioncoatingscanbeperformedatanytimepriortothecompetitiononanypart.Coatingapartisnotconsideredamodification,andpartsthatcannotbelegallymodified,maybecoated.330-FUELGasolinesuppliedattheeventwillbeSunoco.ExactfuelTBD.

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SIGNATUREANDACCEPTANCEOF2019ENGINEMASTERSRULES

SIGNANDRETURNWITHENTRYFEENOLATERTHANAPRIL24,2019TheundersignedTeamLeader,onbehalfofallmembersoftheirTeam’sAcceptedEntryApplicationintothe2019EngineMastersChallenge,herebyconfirmsthattheyhaveread,understand,agreesto,andwilladheretotheRulesofthe2019EngineMastersChallenge.Additionally,theundersignedacknowledgesthattheseRulesareeffectiveupondateofreleaseandpublicationoftheRules.ItisalsofurtherunderstoodthattheRulesmaybeamendedormodifiedbyMotorTrendGroupandtheEngineMastersChallengeEventManagementatitssolediscretionatanytimeinaccordancewiththeprovisionsinthisdocument,whereinsuchAmendmentsand/orAddendumsareeffectiveupontheirdateofpublicationonwww.enginemasters.com,and/orbyemailcommunicationtoallEntrants,and/orbywrittenmemorandumtoallEntrants,and/orbyapre-eventparticipant’smeeting.Itisexpresslyunderstoodthatitistheresponsibilityoftheentranttomonitorthewebsiteand/oremailormailnotificationforanyRulesAmendments,Addendums,Modifications,orSpecialProvisions.EntrantagreestoadheretoandabidebyanysuchRulesModificationsthatmaybemadesubsequenttothisdocument.TEAMNAME:___________________________________

SignatureofTeamLeader:_________________________PrintedName:___________________________________Date:________________________IfafterreadingtheRulebookyoustillhavequestionspleasecorrespondviaemailtoquestions@enginemasters.com.Pleasemakesureyourquestionsarespecificandwellpreparedinadvance.