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Iji mụbaa horsepower na nchụpụ nke ya Corvette ZR-1, Phil Wasinger malitere ya engine n'ichepụta mgbe ọ hụrụ a na-eji LT5 engine na Craigslist na 2014. Lee anya na ihe mere na nke a afọ isii oru ngo. N'ihi nhazi pụrụ iche na mmepụta oke nke 1990-1995 ZR-1 Corvettes, injin LT5 nke na-achọsi ike enweghị mmasị na ahịa ahịa dị ka Chevrolet, Chrysler na Ford ndị ọzọ mepụtara ọtụtụ igwe. Otú ọ dị, nke a akwụsịghị ya. Phil Wasinger wughachiri injin LT5 ya na 1994 ZR-1 Corvette ya. Ebumnuche bụ isi nke engine LT5 bụ na mgbe Lotus Engineering (nke GM nwere n'oge ahụ) mere LT5, GM siri ọnwụ na ha na-eji otu oghere cylinder ahụ, oghere cylinder block elu, na crankshaft isi na-ebu oghere dị ka SB Chevy. ọ bụ ezie na ma ọ bụghị, ọ bụ a kpamkpam dị iche iche engine imewe, ma e wezụga n'ihi na crankshaft n'azụ mmanụ akara, ọ dịghị nkịtị akụkụ n'etiti ha. Mgbe ị na-ahapụ ụlọ ọrụ mmepụta ihe, LT5 cylinder block na-anabata nhazi oche nke mepere emepe, a na-agbapụkwa ngọngọ cylinder nke ala iji nweta 4.173 OD step aluminum lining. Nrụgharị injin Wasinger malitere na 2014, mgbe ọ chọtara igwe LT5 ejiri mee ihe na Craigslist. Wasinger kwuru, "Azụtara m 1994 Corvette ZR-1 na 2007 wee kwalite injin ahụ site na mgbanwe ndị a na-emebu nke dabara adaba maka injin ndị a pụrụ iche," Wasinger kwuru. "Nke a na-agụnye ndị nkụnye eji isi mee ogologo oge, nkwụsị ọrụ catback, ihe oriri ọdụ ụgbọ mmiri, na nhazi nhazi nke ọma. Maka 350 cid, ọtụtụ engines ngwaahịa na-agba ọsọ nke ọma, na-emepụta ihe dị ka 485 horsepower, na-atụgharị ngwa ngwa na 7,200 rpm. Otú ọ dị, achọrọ m ịhụ ihe Nhazi engine nke DOHC LT5 nwere ike ime site n'ịgbakwunye mgbapụ, isi cylinder, na igwefoto arụmọrụ omenala. N'ihe gbasara imepụta injin, Phil abụghị ihe eji eme DIYer nkịtị. Ọtụtụ n'ime ọrụ ya, ọ rụrụ ọrụ maka nnukwu ndị na-emepụta mmanụ diesel German MTU Friedrichshafen na MAN Augsburg, na-eduzi ọrụ ha na United States. Ndị agha mmiri US, US Coast Guard na American Flag Commercial Shipping Company bụ ndị ahịa ya bụ isi. Agbanyeghị, n'adịghị ka ọrụ ọ rụrụ n'ọrụ ya, ihe owuwu LT5 a bụ ọrụ ntụrụndụ nkeonwe, nke a na-eme na ebe nchekwa ezinụlọ Phil. A rụrụ ọrụ igwe na nguzozi n'ụlọ ọrụ injinịa mpaghara ya dị nso n'obodo ya na Fairfax, Virginia, na ugwu Virginia. Nke mbụ, Phil maara na ọ chọrọ ka ịnya anyịnya na mgbapụ karịa. Vasinger kwuru, "Ebumnobi anyị bụ ịnye ike 650 dị larịị na nke a pụrụ ịdabere na ya maka okporo ụzọ na njem ụgbọ mmiri." "N'ihi na pụrụ iche imewe nke LT5, ọrịa strok crankshaft ga-mashined si oghere. The crankshaft nwere ọnụ ọgụgụ buru ibu nke esịtidem boreholes dị ka nanị mmanụ nkesa ọwa maka isi ibu na jikọọ mkpara ibu. Ọ dabara nke ọma, m si a. onye na Texas The nwa amadi nwetara a na-ejighị n'aka billet 427 crankshaft O zụtara ya na mbụ maka ụdị LT5, ma okpu ịghọta ya. a ga-abawanye site na 3.900 ruo 4.125, nke na-achọ mgbasawanye nke ihe na-anata cylinder. Maka nke a, m tụgharịrị na Pete Polatsidis, onye ọkachamara injinia LT5 na Chicago, Ọ mepụtara ngbanwe mechiri emechi ductile iron bushing na Darton Sleeves maka injin LT5. A na-ekpuchi elu dị n'ime nke mkpuchi ahụ na Nikasil iji nye ọdịdị na-adịgide adịgide nke na-emepe emepe nke nwere akụkụ ala nke ihe mkpuchi ahụ na-adaba n'ime oghere nke a na-agbanye n'ime ala iji nweta oghere 4.125 nke Phil chọrọ, ọ dị mkpa iji akwa mkpuchi ductile emezigharịrị pụrụ iche nke Darton Sleeves mepụtara na nke Pete Polatsidis mebere ya ka ọ jiri nhazi oche mechiri emechi enwere ike ịbawanye na 4.125 n'enweghị nsogbu, uru nke ọzọ bụ na ọ kwụsiri ike na cylinder ahụ, "ka o kwuru. Mgbe ọ ghọtara crankshaft na ntụgharị engine, Phil tụgharịrị uche ya na ihe ndị ọzọ dị n'ime, dị ka njikọ billet 6-inch. mkpara nke ọ bụla na-eru gram 605, jikọtara ya na pistons aluminom emebere diamond nwere mkpuchi sketị na ntụtụ akwụrụ. Wasinger kwuru, "Piston nwere oke mkpakọ nke 12: 1, na mkpuchi mgbaghara na mkpuchi sket bụ kpọmkwem iji belata mkpọtụ piston mmalite oyi," Wasinger kwuru. "Ejikwara m mgbanaka piston Total Seal - mgbanaka molybdenum dị elu 1.5mm, cone 1.5mm na-agbagọ agbagọ, na mgbanaka njikwa mmanụ 3mm." Ụdị LT5 ahụ natakwara bearings Calico mkpuchi-OEM na isi ike na 2.1 na mkpuchi Clevite 77 na mkpanaka. A na-etinye nkwụsị akwụkwọ akụkọ n'etiti mkpanaka mkpanaka na isi ihe na 0.0025. A bịa na isi cylinder na ụgbọ oloko valvụ, Phil rụtụrụ aka na LT5 anọ-valve cylinder isi combustion chamber ka emebere ka ọ bụrụ ihe na-egbochi ịkụ aka, na-enye ohere iji oke mkpakọ dị elu mee ihe mgbe ị na-ebufe ikuku. Iji mee ka nhazi ya dịkwuo ukwuu, a tụgharịrị isi cylinder ahụ kpamkpam wee nwalee n'ime ya. A na-emepe oghere ikuku ruo 37 mm, a na-amụbakwa nnukwu efere ikuku. O kwuru, "valvụ mbụ nke 39mm jiri valvụ igwe anaghị agba nchara nke Ferrea 42mm jiri stem 8mm dochie ya." "E mekwara ka oche valvụ a na-eri ihe iji nweta ohere zuru oke na valvụ nnabata buru ibu. Ejikwara m isi iyi Ferrea na ndị na-ejide ya." Iji mee ka usoro valvụ rụọ ọrụ nke ọma, Wasinger họọrọ camshaft billet omenala site na Jones Cam Design. Na mgbakwunye na ọrụ nke ya, Phil kwuru na ngbanwe akụrụngwa na-agbanwe agbanwe na ọrụ valvụ isi cylinder bụ nke Lloyd Lovelace nke Custom Automotive Machine mere na mpaghara Lorton, Virginia. Ọ bụ Haibeck Automotive Technology duziri ikpeazụ nke nlegharị anya dynamometer ụgbọ ala na Addison, Illinois. Mgbe LT5 gbakọtara ma gbanwee ya, Wasinger kwuru na ya nwetara 650 horsepower ọ tụrụ anya ya. Ugbu a, 1994 ZR-1 Corvette alọghachila n'okporo ụzọ. N'izu a bụ PennGrade Motor Mmanụ, Elring - Das Original na Scat Crankshafts kwadoro injin ahụ. Ọ bụrụ na ị nwere injin ịchọrọ ime ka ọ pụta ìhè na usoro isiokwu a, biko ziga ozi-e na [email protected] onye nchịkọta akụkọ Engine Builder Greg Jones.