Kammala wannan jumla: Johncock ya kammala a matsayi na shida a 1991 Indy 500, duk da cewa yana da alamun cututtukan cututtuka a safiyar tseren. Gasarsa ta ƙarshe ita ce
1992 Indy 500, inda ya fita tare da lalacewar injin. Tun lokacin da ya yi ritaya, Johncock ya nisanta kansa daga wasan motsa jiki, kuma ya mai da hankali kan kasuwancinsa na katako a Michigan. Ya halarci hira a cikin 2004 a kan ESPN Classic's "Big Ticket" na nazarin 1982 Indy 500. A cikin hirar, ya yarda cewa sha'awarsa a cikin tsere yanzu an iyakance shi, kuma ba shine abin da yake mai da hankali a yau da kullun ba. A cikin tattaunawar tseren 1973, Johncock ya bayyana ya yi zaman lafiya da yanayin. Duk da yake mafi yawan sun lalata tseren a matsayin ruwan sama, kuma don abubuwan da ba su da kyau, Johncock ya nace cewa motarsa ba shakka ita ce mafi sauri a kan hanya, ta jagoranci sauƙi, kuma ba kawai a gaba ba ne a lokacin tutar ja ta hanyar haɗari.