Twese twarangije gukunda ubwoko runaka bwumuziki, ariko kuri peteroli birashobora guhitamo amayeri mugihe uwo muziki umwe ukorwa na moteri yububiko butandukanye.
Ikintu kimwe ntakekeranywa :. Agace gato V8 Chevy's imaze imyaka 60 iririmba kandi izakomeza kuririmba, hamwe na ZZ6 iheruka kuba urusaku rwanyuma, induru ivuza umurongo muremure.
Ariko mbere yuko tujya ku nkomoko, tugomba kubasigira ibitekerezo bimwe, kugirango mubashe gusobanukirwa neza itandukaniro hagati ya V8 “Big Block” na V8 “Ntoya” , cyangwa “Big Block” na “Gitoya”.
Nigute Block Block yavutse kandi ni irihe tandukaniro?
Mbere yo kugaragara kwa mbere Ntoya ya V8 ya mbere, mu 1955, V8 itanga abubatsi benshi b'Abanyamerika yakozwe na Big Block. Ntabwo dushaka kwaguka cyane, ariko itandukaniro rinini nimwe rigaragara cyane: blok nini nini mumubiri kuruta uduce duto haba muburebure n'ubugari, ntabwo bivuze ko bafite kwimurwa kwinshi, mubyukuri birashoboka. kugira icyerekezo kimwe hamwe nibice bibiri.
Inzitizi nini zifite igihe kirekire zihuza inkoni, zifasha gukubita piston, bityo zikabyara umuriro mwinshi, ariko ntizishobora kuzunguruka cyane, kandi uburebure bwicyuma hagati yinkuta za silinderi nabwo bunini. Kurundi ruhande, imitwe iri hagati yibi bice ifite imyubakire itandukanye, haba mu mfuruka ya valve no mumiyoboro itandukanye yo gukonjesha no gusiga. Nko muri bokisi ubwazo, mugihe cyamavuta yo gusiga, usibye ubunini, bloks ubwazo nazo zifite impande zitandukanye haba muri V-gufungura no mu mfuruka no gutandukanya ibyuma / hydraulic byimuka byimuka bya valve. iherereye ku mutwe.
Ba injeniyeri ba Chevy bari bazi ko Big Block yagenewe umwanya munini kubinyabiziga binini bityo hakaba hakenewe gukora ikintu cyoroshye, gifite imbaraga zimwe, ariko gishobora kubyara ingufu nyinshi kuri revisiyo zo hejuru cyane, bityo kikavuka Ntoya.
Muri 1955 niho havuka Chevy ya mbere Ntoya ,. 265 . Byari byiza gusimbuza ibyimurwa bingana ariko mubice bya silindiri esheshatu zidafite umurongo, zifite imitsi mike cyane kandi yibanda kubukungu bwa peteroli.
yakurikiye Uwiteka guhagarika 283 4.6 l, iyi V8 yaba ifite inshingano zo kongera ingufu za siporo ya Chevy, kandi iyambere mu ruganda-guteranya sisitemu yo gutera imashini ya Rochester - iyi sisitemu yimpinduramatwara yageze kuri 1 hp kuri santimetero kibe.
Umugani 327 byari ubwihindurize bwa Bike isanzwe izwi cyane 265. Iyi 5.3 l V8 yakora amateka muburyo bwayo bwa L-84, ikaza guha ibikoresho Corvette C2 Stingray. Ubundi kandi, ubwihindurize bwo guterwa inshinge na Rochester, byayobora L-84 kugirango igabanye 1,146 hp kuri santimetero kibe, amateka yaciwe gusa muri 2001 hamwe na generation ya 3 ya LS6.
Twanyuze no kuri wa mugani Inzira ntoya 302 , iyi 5.0 l V8 iranga igisekuru, kuko imizi yubushushanyo bwayo ituruka kubibuza guhatanira amarushanwa ya Trans Am, na SCCA (Imodoka yimikino ya Amerika yo muri Amerika), aho ibibujijwe birenga santimetero 305. Mugihe cyizahabu cyaya marushanwa, guhangana hagati ya Kamaro Z / 28 na Mustang Boss 302 byagiye bivuguruzanya kandi mubibazo, 290 hp benshi bavuga ko mubyukuri byari hafi ya 350, byari byishimishije abapilote. muri 1969 Kamaro Z / 28.
Ikibazo cya peteroli niterambere ryikoranabuhanga nkigisubizo
Mu myaka ya za 70, ikibazo cya peteroli hamwe nigihe cya Smogi (umwanda uhumanya ikirere uterwa n’imyuka y’imodoka, urangwa nigihu kigizwe na gaze zangiza), byashoboraga kwica Chevy's Block, ariko siko byagenze. Ba injeniyeri ba Chevrolet bahawe inshingano ya Herculean yo kubona litiro 5.7-litiro 350, LT1, ibasha kubahiriza ibipimo byibidukikije mugihe bafite ubushake buke. Biracyaza 360 hp. Ariko, hamwe nurupfu rwimodoka, imitsi itunganijwe yabanyamerika yari kubona imyaka icumi yumwijima, igaragara muri L-82. Iyi Block ntoya 350 yari imaze kugira hp 200 gusa, bigatuma Corvette imodoka ifite inyungu zoroheje.
Ibihe byarahindutse kandi injeniyeri yarahindutse, nibwo iyo Inzira ntoya 350 L-98 . inshinge ya elegitoronike yatuma bishoboka kugarura bimwe mubikorwa Corvette na Kamaro bari batakaje mugihe cyumwotsi. Imbaraga ntabwo zari nziza, gusa hp yari hagati ya 15 na 50 hp, ariko byari birenze bihagije kugirango Corvette irenga 240 km / h mu 1985.
Kuruhande rwuruganda ruto, ishami rya GM ryagiye ritanga ibisubizo kumishinga itandukanye umufana wa GM akeneye. THE ZZ4 , kuba uwa 4 mu gisekuru cyibikorwa byo hejuru Ntoya ya 350, byaba imiterere yubuhanzi muri 1996 kubwimigani ya 5.7 l yo kwimura Chevrolet.
Igice gikurikira: LS
Imirongo ya Chevrolet ya LS-ibisekuru bito bitangira mu 1997. Birashoboka ko wigeze ubyumva, haba mubikorwa byabo, kubihendutse, cyangwa ubworoherane bwo guhinduranya ukurikije ibipimo byoroshye. Kuva kuri 5.7 l LS1 / LS6 yikigereranyo kugeza kuri 7.0 l LS7, ibice bya LS byaranze iteka ibisekuruza byifuzaga imbaraga, kwizerwa no gukoresha ibicuruzwa bitagabanije, ku giciro gito ugereranije namarushanwa.
Kubakunzi b'imbaraga zishuri zishaje, GM Performance iracyatanga, mubushobozi bwa silindiri ya migani ya 7.4 l, LSX-R 454. Mu 1970 imigani 454 LS6 yari V8 Big Block yari ifite Chevelle SS, ifite ingufu za 450 hp. Uyu munsi birashoboka kuvana muburyo bwa N / A (mubisanzwe byifuzwa) muri LSX-R irenga 600 hp.
ZZ6, ibishya
Twasoje urugendo tunyuze muri Chevrolet Ntoya hamwe na moteri iheruka kuva muri GM Performance, ZZ6 nshya . Nibyo, imigenzo irakomeje hamwe niyi 5.7 l V8 Ntoya, kandi kwizihiza iyi myaka 60, iyi ZZ6 yiyongereyeho kuba 5.7 l ikomeye cyane - 405 hp na 549 Nm yakuwe muri karubone yumubiri ushaje - izi mbaraga zigereranya 100% zishingiye kumutwe wakozwe na LS V8. Icyari kigamijwe kwari ukongera umuvuduko woguhumeka ikirere, hamwe na camshaft ikarishye ariko ikubaha kamera yo mu bwoko bwa pushrod, igizwe na valve yongeye gukora, crankshaft na piston muri aluminium irimo silikoni nyinshi.
Nubwo ibisekuru bya LS bizaha inzira LT, binyuze mubuhanga nkubu twifuriza indi myaka 60 ya Small Block V8 hamwe na Chevrolet yadutsinze. "Ishuri rya Kera" cyangwa icy'iki gihe, UBUZIMA BURUNDU KUGEZA V8.
Chevy Ntoya 302