Simplify the following text for a Grade 10 native English-speaking person.
Original: He ran customer cars in Formula Two under various names from 1972 to 1979 -- even briefly running a customer Formula One Ferrari 312T as Scuderia Everest in 1976 -- before gaining financial backing from well known Italian motor racing patron Piero Mancini in 1979 to set up the Minardi racing team as a constructor .
Simplified: Giancarlo briefly ran a customer Formula One Ferrari as Scuderia Everest in 1976 . In 1979 , he gaining financial backing Piero Mancini .