1986 : Gebhardt JC843 - ADA Engineering - nº75

Driven by: Evan Clements (GB)/Tom Dodd-Noble (GB)/Ian Harrower (GB)

Result: 8th 1st in C2 (50 laps behind the winner)

Grid: 42nd (3:56.990)

1986 : Gebhardt JC853 - Gebhardt Motorsport - nº74

Driven by: Stanley Dickens (S)/Pierre de Thoisy (F)/Jean-François Yvon (F)

listed, never drove: Jan Thoelke (D)

Result: did not finish (Accident)

Grid: 28th (3:44.570)

1985 : Gebhardt JC843 - A.D.A. Engineering . nº75

Driven by: Steve Earle (USA)/John Sheldon (GB)/Ian Harrower (GB)

listed, never drove: Richard Jones (GB)

Result: 16th (75 laps behind the winner)

Grid: 38th (3:55.620) - 40th fastest qualifier

1895 : Gebhardt JC853 - Team Labatt - nº74

Driven by: Frank Jelinski (D)/John Graham (CDN)/Nick Adams (GB)

Result: not classified (150 laps behind the winner)

Grid: 27th (3:47.760) - 29th fastest qualifier