18 August at Latchingdon
| 500cc | RH Sidecars | 350cc |
| 1- D Garrod | 1- J Measor & G Tregilgas | 1- R Wilding |
| 2- J Yeldham | 2- M Payne & L Payne | 2- T Neal |
| 3- S Field | 3- S Lewsy & J Lewsy | 3- T Domain |
| 250cc | Pre 75s 500cc | Uprights |
| 1- J Mulford | 1- B Cornelius | 1- G Brown |
| 2- T Greig | 2- G Dismore | 2- G Whitney |
| 3- L Bassett | 3- P Kynman | 3- B Joyce |
| Pre 75s 350cc | GT 140 | Pre 75s 250cc |
| 1- C Mackett | 1- K Rushen | 1- C White |
| 2- B Davis | 2- J Mulford | 2- D Grist |
| 3- B Cornelius | 3- D Sargeant | 3- T Booty |
| Buster Challenge | Hagon Prize Challenge | John Morrey 12 lap |
| 1- B Davis | 1- C Mackett | Devil take the Hindmost |
| 2- B Cornelius | 1- T Greig | |
| 3- C Mackett | 2- J Mulford | |
| Intermediates | Juniors | |
| 1- V Smth | 1- A Riches | |
| 2- K Cossie | 2- C Rushen | |
| 3- C Smith | 3- H Watts |