 Nyorai kupfuurira kweiyi ndima - ISM yakaisa mota muIRL kubva muna 1997 kusvika muna 1999. Muna 1998, Jeff Ward akapedza 6th mu IRL mutyairi pfungwa uye akahwina danda pana Phoenix ari ISM motokari uye chikwata fielded motokari nhatu muna 1998 Indianapolis 500. Zvisinei, chikwata chakakwanisa kushanda chikamu-nguva chete muna 1999 uye yakavharwa muna July wegore iroro. Chikwata cheIRL chakashandisa G-Force chassis uye Oldsmobile injini. 