The 1975 Trans-Am Series was the tenth running of the Sports Car Club of America's premier series. All races except for the Six Hours of Watkins Glen ran for approximately one hundred miles.
The Drivers Championship was won by John Greenwood and the Manufacturers title was awarded to Chevrolet.Trans-Am Drivers' and Manufacturers' Champions As archived at web.archive.org
Results
Round Date Circuit Winning driver(s) Winning vehicle 1 June 1 Pocono John Greenwood Chevrolet Corvette 2 June 1 Seattle Walt Maas Datsun 280Z 3 June 15 Portland John Greenwood Chevrolet Corvette 4 June 29 Nelson Ledges John Greenwood Chevrolet Corvette 5 July 12 Watkins Glen Babe Headley Paul Missuriello Chevrolet Corvette 6 July 26 Road America Jerry Hansen Chevrolet Corvette 7 September 7 Brainerd Jerry Hansen Chevrolet Corvette 1975 TRANS-AM BOX SCORES As archived at web.archive.org
Note: The Six Hours of Watkins Glen was also a round of the 1975 World Championship for Makes, and was won outright by Henri Pescarolo and Derek Bell driving an Alfa Romeo 33TT12. Headley & Missuriello were the best placed of the Trans Am competitors.
References