FW08 yakanga iri kukura kweWilliams FW07 asi yakaratidza shoma wheelbase uye yakawanda yakasimba chassis kuti ikwanise kukwira g-kutakura iyo yakaderera kukwira kukwira mitemo yakatangwa muna 1981 yaida. Nepo McLaren nevamwe vakatanga kushandisa chassis yecarbon fiber, Patrick Head akaramba achishandisa aluminium honeycomb pamotokari itsva. FW08 yakakodzera Keke Rosberg's aggressive driving style uye akaishandisa zvakanaka, achikunda 1982 Swiss Grand Prix
uye kuwana dzimwe nzvimbo dzinoverengeka dzepodium kuti atore mukwikwidzi. Rosberg akanga ari munzira yokukunda muBelgium pakatanga motokari asi zvinetso zvamatayi zvakaita kuti adzokere shure mumatanho okupedzisira omutambo. FW08 yakanga iri motokari yaFrank Dernie yaaifarira pane dzose dzaakashanda pairi munguva yake neboka racho.