 Dan Gurney akanga aedza Champ Car yaMickey Thompson ine injini yekumashure ye1962 Indianapolis 500 uye, achigutsikana kuti marongerwo acho aigona kukunda mujaho, akasvika Colin Chapman weLotus nepfungwa yokuvaka motokari yakafanana ye1963 Indianapolis 500. Chapman akapinda mujaho wa1962 uye Gurney akabva aronga musangano naFord kuti awane injini yakakodzera. Gare gare gore iroro, Chapman akaita kuti Jim Clark nemakanika aLotus Jim Endruweit naDick Scammell vatumirwe kuIndianapolis mushure me1962 United States Grand Prixkuita bvunzo neLotus 25 yakakunda mujaho. Migumisiro yakabvumikisa kuva yakanaka, uye kuvakwa kwakatanga pamotokari itsva, rudzi rwa 29. Zvichienderana ne25, yakanga iri motokari yakafanana zvikuru iyo yakasiyana zvikuru mukuisa 4195 cc 255ci Ford V8 neWeber carburettors inobereka 376 bhp 281 kW kuburikidza neColotti T.37 gearbox. Yakanga yakakura zvishoma kupfuura 25 uye yakanga yakagadzirirwa ne offset suspension uye Dunlop pamberi uye Halibrand kumashure kugogodza-kubvisa mavhiri kuti zvive nyore kukurumidza kumira. Motokari nhatu dzakavakwa dzose; wokutanga ari chaizvoizvo kukura prototype, pashure iyo motokari mbiri dzakavakwa kuti Clark uye Gurney. 