Within the decade, Rumi visited the Monte Bondone hillclimb event near Trento.
In 1970 Rumi decided to diversify the business into the light alloy sector, to produce parts for engines and other uses for motor vehicles.
[3] Rumi began his involvement in Formula One motor racing when he sponsored fellow countryman Piercarlo Ghinzani.
Fondmetal was shut down at the end of 1992 due to the high costs of running the team.
[4] At the end of 2000, Rumi sold his shares in Minardi to the Pan-American Sports Network who sponsored their driver Gastón Mazzacane who later sold the team to Australian businessman Paul Stoddart.