 1984 would be the last time Guglielmi represented Australia in a Speedway World Pairs Championship Final.He rode in the United Kingdom for the Boston Barracudas and the Coventry Bees until 1984 when he was banned for a year by the Australian speedway authorities and served a prison sentence after being convicted of a drugs offence in Australia.Guglielmi finished second behind Sanders in the 1982 Australian Solo Championship at the Claremont Speedway in Perth, and finished fourth in 1983 at Adelaide's Speedway Park behind Sanders, Glyn Taylor and Phil Crump.