National Drag Racing Club
Blackbushe Grandnationals
19th August 1973
| Class | Winner | Runner Up |
| Pro Fuel | Clive Skilton 7.75 | Roland Pratt - |
| Pro Stock | Gary Goggin 11.80 | Tony Dickson 11.59 |
| Top Dragster | A. Anderson 9.73 | R. Hoare 9.92 |
| Senior Dragster | I. Fraser 11.04 | J. Rowatt 10.87 |
| Middle Dragster | G. Cookson 11.99 | A. Sharp 13.18 |
| Junior Dragster | K. Penfold 13.64 | S. Martyn - |
| Top Comp | Ed Shaver 11.86 | Liam Churchill - |
| Senior Comp | D. Sharp 11.66 | P. Smith - |
| Middle Comp | R. Bishop 11.91 | R. Fielding 12.61 |
| Junior Comp | M. Cole 17.90 | J. Woodward 17.84 |
| Top Street | P. Andrews 12.05 | D. Rose 13.76 |
| Senior Street | R. Oram 13.28 | M. Morice 15.36 |
| Middle Street | B. Bucknall 15.14 | B. Lucas 15.11 |
| Junior Street | R. Tallis 16.60 | V. Board 16.39 |
| Top Comp Motorcycle | P.Miller 10.33 | Brian Chapman 11.05 |
| Senior Comp Motorcycle | Mick Hand 10.87 | Mr. Cheadle 13.99 |
| Middle Comp Motorcycle | A. Marsh 12.38 | A. Rose 13.81 |
| Junior Comp Motorcycle | T. Fisher 14.47 | Mr. Battley 14.92 |
| Street Motorcycle | D. Rawlins 12.43 | T. Carter 12.62 |