[3] Moran first rode in British speedway for Hull Vikings in 1979 under the alias 'David East', before riding under his real identity in 1980.
[4] He had been subject to a bid to sign him by Cradley Heath before[5] he joined Sheffield from Hull in 1980 for £8,000 and established himself as a fans' favourite who topped the clubs averages every year he was with them.
[6] In 1982, along with reigning World Champion Bruce Penhall, Bobby Schwartz, Scott Autrey, and his older brother Kelly Moran, Shawn won the Speedway World Team Cup at the White City Stadium in London, England.
He would later repeat this success with Team USA in 1990 at the Svítkov Stadion in Pardubice, Czechoslovakia alongside Sam Ermolenko, Rick Miller, Billy Hamill and Kelly Moran.
Moran also helped the US team to second place in both 1985 and 1988 at the Veterans Memorial Stadium in Long Beach (the only times that the World Team Cup Finals were held outside of Great Britain or Europe), while finishing third in 1984 (Leszno, Poland) and 1987 (three rounds held at Fredericia in Denmark, Coventry, England and Prague, Czechoslovakia).