 Ramba uchiverenga ndima iyi - Muna 1966, Simpson akasangana naPete Conrad uyo aiva muchadenga weNASA, uyo akaita kuti Simpson azive nezvezvinhu zvinonzi Nomex zvaishandiswa mumapfekero ekuenda muchadenga mupurogiramu yeApollo. Panenge panguva imwe cheteyo, DuPont akasvikawo kambani yeHinchman pamusoro pokugadzira zvipfeko zvemakwikwi zveNomex. Mugore iroro Indianapolis 500, mutyairi Mel Kenyon akapfeka sutu yomoto yeNomex yakagadzirwa naHinchman. Gare gare gore iroro, vatyairi vanoverengeka vakatanga kuyedza zvipfeko zveNomex zvekuyedza zveSimpson, kusanganisira vatyairi veF1 Walt Hansgen naMasten Gregory, NASCAR mutyairi Marvin Panch, uye SCCA Trans-Am Series mutyairi Bob Tullius. Kambani yaSimpson Simpson Performance Zvigadzirwa yakaburitsa yekutanga yekutengesa Nomex kumhanya sutu, inonzi Heat Shield Firesuit, muna 1967. Masutu aya akanga apfekwa nevatambi 30 pa33 mumakwikwi eIndianapolis 500 muna 1967. 