Muaj ob hom kev sib txawv ntawm V8 cav nyob ntawm lub crankshaft.

Lub dav hlau ntsug yog ib qho qauv V8 hauv Asmeskas tsheb tsheb. Lub kaum sab xis ntawm txhua lub crank hauv ib pab pawg (ib pawg ntawm 4) thiab yav dhau los yog 90 °, yog li nws yog cov qauv ntsug thaum saib los ntawm ib kawg ntawm lub crankshaft. Qhov saum npoo ntsug no tuaj yeem ua tiav qhov sib npaug zoo, tab sis nws yuav tsum muaj cov hlau hnyav hnyav. Vim hais tias ntawm qhov loj rotational inertia, lub V8 cav nrog cov qauv ntsug no muaj qhov acceleration qis dua, thiab tsis tuaj yeem ua kom nrawm lossis decelerate sai dua piv rau lwm hom cav. Lub ignition ib ntus ntawm V8 lub cav nrog cov qauv no yog los ntawm qhov pib mus rau qhov kawg, uas yuav tsum tau tsim ib qho kev tso pa ntxiv los txuas cov kav dej ntawm ob qho kawg. Qhov no complex thiab yuav luag cumbersome tso pa system tam sim no tau dhau los ua mob taub hau loj rau cov neeg tsim qauv ntawm ib lub rooj sib tw tsheb.

Lub dav hlau txhais tau tias lub crank yog 180 °. Lawv qhov sib npaug tsis zoo tag nrho, tshwj tsis yog siv qhov sib npaug ntawm qhov sib npaug, qhov kev vibration loj heev. Vim tias tsis muaj qhov xav tau rau cov hlau hnyav, lub crankshaft muaj qhov hnyav thiab tsis muaj zog, thiab tuaj yeem muaj kev kub ceev thiab nrawm. Cov qauv no muaj ntau heev nyob rau hauv 1.5-liter niaj hnub sib tw tsheb Coventry Climax. Lub cav no tau hloov zuj zus los ntawm lub dav hlau ntsug mus rau cov qauv tiaj tus. Lub tsheb nrog V8 qauv yog Ferrari (Dino engine), Lotus (Esprit V8 engine), thiab TVR (Speed ​​Eight engine). Cov qauv no muaj ntau heev nyob rau hauv kev sib tw cav, thiab tus paub zoo yog Cosworth DFV. Kev tsim cov qauv ntsug yog qhov nyuaj. Vim li no, feem ntau ntawm cov cav V8 thaum ntxov, suav nrog De Dion-Bouton, Peerless thiab Cadillac, tau tsim nrog cov qauv tiaj tus. Xyoo 1915, lub tswv yim tsim qauv ntsug tau tshwm sim nyob rau hauv lub rooj sib tham American automotive engineering, tab sis nws siv sijhawm 8 xyoo kom muaj kev sib dhos.