Started 1981 and ended after the 1989 season.
Millions of spectators around the world and sometimes up to 500,000 people watching from the shore.
Many major sponsors and here is a list of some..
Cool, Aspen, Carlsberg, JPS, Benson&Hedges, Martini, Castrol, Nordica, Nashua, Denim, Champion, Trimite, Peter Stuyvesant, Gordon’s Gin, Tecnocar, Beneteau, Dole, ITC, Lasse Strom Marin, Naiu, ToTip, Stefanel and many more.
The eighties was by far the most interesting time in tunnel boat racing.
Bob Spalding in the #11 Velden Racing/JPS/Johnson V8 from 1981/82.
Probably to most famous motorsports sponsor ever.