Featured in Wesley KaganBYMáté PetrányFeb 22, 2021ShareThe DIY Hero Who Built a Koenigsegg-Style ‘Freevalve’ Miata Engine Is Making It Open-SourceIt already works, but there’s so much more potential. BYMáté PetrányFeb 22, 2021ShareBYMáté PetrányFeb 4, 2021ShareThat Homemade Porsche Kart Now Has a 5.8L Mercedes-Benz V12Goodbye Boxster S flat-six, hello S600 V12-powered madness. BYMáté PetrányFeb 4, 2021Share
BYMáté PetrányFeb 22, 2021ShareThe DIY Hero Who Built a Koenigsegg-Style ‘Freevalve’ Miata Engine Is Making It Open-SourceIt already works, but there’s so much more potential. BYMáté PetrányFeb 22, 2021Share
BYMáté PetrányFeb 4, 2021ShareThat Homemade Porsche Kart Now Has a 5.8L Mercedes-Benz V12Goodbye Boxster S flat-six, hello S600 V12-powered madness. BYMáté PetrányFeb 4, 2021Share