Porsche office says it is focusing on speed as the cause of Monday 's fiery crash . Porsche family asks for charity donations instead of flowers . Antonio Holmes told the Santa Clarita Valley Signal newspaper that he was at the charity event when Walker and Rodas left for a ride in the Porsche . ` Walker 's racing team partner was driving the Porsche . The actor was in the middle of producing the 40th Sheriff 's movie when he died .
Porsche office says it is focusing on speed as the cause of Monday 's fiery crash . Porsche family asks for charity donations instead of flowers . Walker 's racing team partner was driving the Porsche . The actor was in the middle of producing the 40th Sheriff 's movie when he died .