Tuhia he tomokanga mō tēnei wāhanga - I hoki mai a Fabi ki Porsche Motorsports i te tau 1990 ki te taraiwa i tō rātou No. 4 Foster's-Quaker State March 90P-Porsche Indy V8. I mua i te tīmatanga o te tau, ka hangaia e Porsche he paparanga muka waro katoa me ta raatau kaihanga, March Engineering. I te marama o Hanuere, i pooti nga kaiwhakataetae a Porsche ki te whakamahi i te motuka, na reira ka whakamahia e Porsche te miihini 89P o te tau. I eke a Fabi ki te tuawhitu i te Toyota Grand Prix o Long Beach i te tekau o nga tau. I whakamahia he 90P hou o Maehe i te Indianapolis 500
I tīmata a Fabi i te rua tekau mā toru, ā, i mutu i te tekau mā waru, nā te raru o te whakawhiti i muri i ngā huringa kotahi rau e rua tekau mā rua. I muri mai ka tohu a Fabi i runga i te tuunga tuunga mo te &lt;a href="Grand%20Prix%20of%20Denver"&gt;Texaco/Havoline Grand Prix o Denver&lt;/a&gt;.I arahi ia i tetahi porowhita engari i hinga i muri i nga porowhita e whitu ka mutu te rua tekau ma whitu. I tutuki a Fabi i te tuatoru o nga waahi, i te Marlboro Grand Prix i te Meadowlands, i te Meadowlands Sports Complex, a ka mutu te wa tekau ma wha i nga tohu. I te mutunga o te wa ka wehe atu a Porsche mai i nga whakataetae motuka Indy na reira ka neke a Fabi ki te Toa Toa Toa o te Ao i te tau 1991 ka wikitoria i te toa.