The No. 1 Trial, organised by GMSC, was held on 3 July. It was Round 4 of the Western Region Rally Championship.
The winners were Ken Hartnell/Mick Brazier on 48 points with Noel Cutler/Markham 2nd on 52 points and Wallis/Wallis third with 64 points. Wallis/Wallis were also 1st grade B competitor.
| Place | Driver | Navigator | Car | Points |
|---|---|---|---|---|
| 1 | Ken Hartnell | Mick Brazier | Cortina | 48 |
| 2 | Noel Cutler | Markham | Datsun 1600 | 52 |
| 3 | Wallis | Wallis | Cortina | 64 |
| 4 | Brackley | Virgo | Mazda | 67 |
| 5 | David Hodge | Tom Seymour | Datsun | 69 |
| 6 | Carr | Gare | 73 | |
| 7 | Littlejohn | Howe | Datsun | 74 |
| 8 | Hughes | Byrne | Datsun | 85 |
| 9 | David Chesnut | Kim Baxter | Escort | 94 |
| 10 | David Ackland | McCabe | Mazda | 100 |