 Nyorai kupfuurira kweiyi ndima - Vose vari vaviri Iso Rivolta naMarlboro vakasiya pamberi pemwaka wa1974, vachisiya Williams nematambudziko emari. Iwo maviri IR chassis akachengetwa, ikozvino akachinjwa zita reFW mushure meFrank Williams, asi pakutanga mota imwe chete yakapinda kuna Arturo Merzario, uyo akange atsiva Ganley semutyairi wenhamba yekutanga wechikwata. Pakanga pane kukurudzira kwekutanga kwemwaka sezvo Merzario akaisa wechitanhatu mujaho rechitatu remwaka muSouth Africa, asi apo motokari yechipiri yakadzorerwa, mutsara wevatyairi vanobhadhara vakashandiswa kuifambisa wakabereka zvishomanana munzira yemigumisiro. Mushure mekusafanirwa katatu, Jacques Laffite akaunzwa kune mumwe wake Merzario uye kuita zvishoma nezvishoma kwakavandudzwa, kuchipera nenzvimbo yechina yekupedzisa Merzario muItari. Ikoku kwakapa chikwata chizere chemapoinzi mana, uye mumwe mugumo wechigumi muConstructors Championship. Matatu IsoMarlboro FW chassis pakupedzisira akashandiswa mukati me1974, kusanganisira mota ichangobva kuvakwa, uye idzi dzakatumidzwa zita rekuti Williams FW01, FW02 uye FW03 ye1975; mazita akaparadzana kunyangwe mota nhatu dzaive dzakafanana. 