Manthey Racing will enter a Porsche 911 GT3 R for the upcoming California 8 Hours at the end of October. The neon yellow-green machine, affectively called ‘Grello’, will have Dirk Werner, Fred Makowiecki and Romais Dumas at the wheel. The trio took sixth in the Intercontinental GT Challenge opener in Bathurst and will also compete in the Total 24 Hours of Spa.
Manthey announces Grello’s line-up for California 8 Hours
