<prompt> Nyora kupfuurira kweiyi ndima - Davidson akachengeta mari yake amene uye akashanyira Indianapolis kokutanga muna May 1964. Aiva nehama dzokunyama muChicago, idzo akaronga kugara nadzo mukati menhambo yorwendo. Akanga anyorera mutauri wenhepfenyuro weIMS Sid Collins uye akashamisa boka racho kupfurikidza nokugona kutaura chinyorwa chomutyairi ari wose akanga ambokwikwidza mu500. Akagamuchirwa nokukurumidza uye noushamwari nevashandi vepaSpeedway pamwe chete nevatambi, uye mumaawa mashomanene okusvika kwake, akapiwa magwaro okubvumira pachena. Collins akakoka Davidson kuti aoneke kwenguva pfupi semuenzi panhepfenyuro yeredhiyo yomujaho wa1964  <response>: . 