Rubuta ci gaba don wannan sakin layi - Dukansu Senna da Häkkinen sun yi matukar burgewa da haɗin motar / injin, duk da rashin amincin rikodin 3512 tun lokacin da ya fara fitowa a cikin Formula One da kuma rashin amincinsa a lokacin gwaje-gwaje (sakamakon mafi kyawun injin har zuwa wannan lokacin ya kasance mai sa'a na 3 a sanannen Grand Prix na Japan na 1990, wanda a ƙarshe zai zama mafi kyawun sakamakon sa). Häkkinen ya yi iƙirarin cewa yayin gwajin Silverstone, ɗayan injunan ya fashe yayin da yake tsere a Hanger Straight. Ya yi iƙirarin cewa har zuwa lokacin fashewar injin yana turawa da ƙarfi da ƙarfi kuma a zahiri ya ji da sauri fiye da Ford. Ya kuma ce fashewar ta kasance babba tare da gutsuttsarin injin da ke wucewa kusa da kwalkwali. Senna daga baya ya haifar da jita-jita cewa motar za ta yi tsere a lokacin kakar 1993, lokacin da aka ruwaito cewa a lokacin gwaji "" Zai zama da ban sha'awa sosai don yin tseren Lamborghini a Japan
" " Ya yi imanin cewa ba tare da la'akari da amincin ba, McLaren-Lamborghini zai kasance aƙalla azumi kamar duka Williams-Renaults da Benetton-Fords waɗanda yake ƙoƙari ya ci gaba da tsere tare da amfani da ƙayyadaddun ƙayyadaddun Ford V8 (duk da cewa Senna ya ci nasara a Japan ta amfani da Ford V8 kuma ya goyi bayan hakan tare da nasararsa ta ƙarshe a Ostiraliya). Senna har ma ya kira Ron Dennis daga pits a lokacin gwajin Estoril (bisa ga rahotanni Dennis ya dauki kira a cikin limousine na kansa kamar yadda yake a Ingila a lokacin) kuma ya gaya masa cewa yana jin cewa ya kamata su yi tunani sosai game da amfani da V12 maimakon V8.