Jan Scott (95) won world championship at ipswich in 1961 also british champion in the same year.
Stan Ingle (2) won two world championships in 1962 and 1966 also british champion in 1965-66.
Derek Fiske (304) won 1966-67-68 british championships at ipswich speedweekends held in july.
Dave Pierce (320) won his first world championship in 1968 and also the british championship in 1969 plus a whole host of other spedeworth championship titles.
Eddie James (210) won the world titles for 1964 and again in 1965.
Trevor Frost (68) won BSCDA formula1 world championship in 1964 at coventry, he joined spedeworth to race formula2 stock cars, his first meeting was on the 13th june 1965 at foxhall heath stadium ipswich (as seen in photo with f2 stock car)