Working for, and later owning, National Speed Sport News, Economaki helped encourage the growth of American motorsports from a niche endeavor to a mainstream pursuit.

[1] He helped Duane Carter with the setup on his outboard midget car in 1938 as an unofficial crew chief.

The National Speed Sport News Web site was sold in 2012 to Turn 3 Media, LLC (Ralph Sheheen, Curt Moon and Joe Tripp), with longtime colleague Mike Kerchner as current publisher, which includes the Web site and the expansion of the Speed Sport brand to a magazine and television show (MavTV).

In the inaugural World 600 in 1960, Don O'Dell's Pontiac smashed the driver's door of Lenny Page's Chevy.

Later in life, Microsoft chose Economaki to author the auto racing history portion of its Encarta Encyclopedia.

He is responsible for introducing millions of Americans to auto racing as an expert TV commentator.

He began at the July 4, 1961, running of the Firecracker 250 NASCAR race at Daytona International Speedway for ABC Sports.

He covered most ABC Wide World of Sports motorsports events, including several Indianapolis 500s, Daytona 500s, Formula One Grand Prix races, the 24 Hours of Le Mans, the East African Safari, and the Bathurst 1000 in Australia.

He was mostly reporting in the pits but would fill in as commentator when regular analysts such as Rodger Ward, Jackie Stewart or Sam Posey would be unavailable.

For several years during the 1960s, he contributed "Sport of Speed" segments twice each weekend to the NBC Radio Network program Monitor.