| 17.2.1963 | 3 h Daytona | 98 | #CSX2002 | Dan Gurney | Shelby American | DNF |
| 3.3.1963 | SCCA Regional Dodger Stadium [AP+BP] | 298 | #CSX2002 | Ken Miles | Shelby American | 2nd |
| 23.3.1963 | 12 h Sebring | 16 | #CSX2002 | Miles | Shelby American, Inc. | DNF |
| 7.4.1963 | SCCA National Marlboro [AP+BP] | 47 | | R. E. L. Hayes | | raced |
| 15.4.1963 | Sussex Trophy Goodwood | 51 | | Peter Jopp | Alan Fraser Racing Team | DNA |
| 17.4.1963 | Le Mans Test | 3 | #CSX2131 | | A.C. Cars Ltd./W. Hurlock | unused |
| 11.5.1963 | Silverstone International [GT] | 46 | | Peter Jopp | Alan Fraser Racing Team | 6th |
| 12.5.1963 | Midland [AP+BP+CP+DP+EP] | | | R. E. L. Hayes | | 1st |
| 26.5.1963 | USRRC-GT Pensacola | 45 | #CSX2017 | R. E. L. Hayes | | 5th |
| 26.5.1963 | ICNSCC Westwood [AP+BP+CP+DP+GTO] | | | John Razzelle | | 1st |
| 1.6.1963 | Player's 200 Mosport | 54 | #CSX2002 | Eppie Wietzes | Comstock Racing Team | 10th |
| 2.6.1963 | SCCA National Bridgehampton [AP+BP+CP] | 31 | | Bob Brown | | 3rd |
| 2.6.1963 | SCCA Regional Dunkirk [Main] | 113 | | Richard Milo | Richard Milo | DNA |
| 2.6.1963 | SCCA Divisional Kent [AP+BP+CP] | | | John Razzelle | | 2nd |
| 8.6.1963 | Preliminary Greenwood [AP+BP+CP+DP+FJr.] | 45 | | R. E. L. Hayes | R. E. L. Hayes | 1st |
| 9.6.1963 | SCCA Regional Greenwood [CM+DM+EM+FM+GM+AP+BP] | 45 | | R. E. L. Hayes | R. E. L. Hayes | 2nd |
| 15.6.1963 | SCCA National Lime Rock [AP+BP] | 41 | | Bob Brown | | 1st |
| 15.6.1963 | GVCC Mosport | | | Eppie Wietzes | Comstock Racing Team | 4th |
| 16.6.1963 | 24 h Le Mans | 3 | #CSX2131 | Sanderson / Bolton | W. D. Hurdock (A.C. Cars) | 7th |
| 16.6.1963 | 24 h Le Mans | 4 | #CSX2142 | Hugus / Jopp | E. Hugus | DNF |
| 16.6.1963 | ICNSCC Portland [AP+BP+CP+DP+GT] | | | John Razzelle | | DNF |
| 22.6.1963 | SCCA National Road America [AP+BP+CP] | 47 | | Bob Brown | | 2nd |
| 30.6.1963 | USRRC-GT Watkins Glen | 41 | | Bob Brown | White-Griffith Motors | 5th |
| 30.6.1963 | USRRC-GT Watkins Glen | 54 | #CSX2002 | Eppie Wietzes | Comstock | DNF |
| 30.6.1963 | ICNSCC Kent [AP+BP+CP+DP+GT] | | | John Razzelle | | 3rd |
| 7.7.1963 | SCCA National Lake Garnett [AP+BP+CP] | 45 | | R. E. L. Hayes | | DNF |
| 13.7.1963 | LASC Harewood [Main] | | | Eppie Wietzes | Comstock | DNF |
| 14.7.1963 | ICNSCC Westwood [Modified] | 59 | | John Razzelle | | ?th |
| 14.7.1963 | ICNSCC Westwood [AP+BP+CP+DP+GT] | 59 | | John Razzelle | | 2nd |
| 14.7.1963 | ICNSCC Westwood [Le Mans] | 59 | | John Razzelle | | DNA |
| 14.7.1963 | SCCA Divisional Thompson [CM+DM+EM+FM+GM] | | | Bob Brown | | 1st |
| 14.7.1963 | SCCA Divisional Thompson [AP+BP+CP] | | | Bob Brown | | 1st |
| 21.7.1963 | SCCA Interclub Bridgehampton [AP+BP+CP+DP+EP] | 41 | | Bob Brown | | 1st |
| 21.7.1963 | USRRC-GT Kent | 59 | | John Razzelle | | 11th |
| 21.7.1963 | USRRC Kent | 59 | | John Razzelle | | DNF |
| 21.7.1963 | SCCA Divisional Wilmot [Production] | | | Dan Gerber | | raced |
| 27.7.1963 | OLCC Mosport [Main] | 54 | | Eppie Wietzes | Comstock Racing Team | 1st |
| 27.7.1963 | Preliminary Mosport [Modified+AP+BP+CP+FJr.] | 54 | | Eppie Wietzes | Comstock Racing Team | 1st |
| 28.7.1963 | 200 mile Indianapolis | 27 | | Dan Gerber | | DNA |
| 28.7.1963 | SCCA Divisional Opelousas [CM+DM+EM+FM+AP+BP+CP+FL] | | | R. E. L. Hayes | | ?th |
| 4.8.1963 | SCCA National Meadowdale [AP+BP+CP] | 4 | | Bob Brown | | 1st |
| 6.8.1963 | Guards Trophy Brands Hatch | 17 | | Peter Jopp | P. Jopp | DNA |
| 11.8.1963 | SCCA Divisional Connellsville | 40 | | Bob Brown | A. Griffith | DNA |
| 11.8.1963 | SCCA Divisional Connellsville | 40 | | Bob Brown | A. Griffith | DNA |
| 11.8.1963 | SCCA Divisional Connellsville | 46 | | Richard Milo | R. Milo | DNA |
| 18.8.1963 | ECFCC San Luis Obispo [CM+DM+EM+FM+GM+AP+BP+CP+DP] | 37 | | Paul Cunningham | Paul Cunningham | raced |
| 18.8.1963 | USRRC Continental Divide | 45 | #CSX2017 | R. E. L. Hayes | Shelby American Inc. | 9th |
| 24.8.1963 | Tourist Trophy | 3 | #CSX2131 or CSX2142 | Sears / Miles | John Willment Automobiles Ltd. | DNS |
| 24.8.1963 | Tourist Trophy | 4 | #CSX2142 or CSX2132 | Bob Olthoff | John Willment Automobiles Ltd. | DNS |
| 24.8.1963 | SCCA National Watkins Glen [AP+BP] | 41 | | Bob Brown | A. J. Griffith, Jr. | 1st |
| 24.8.1963 | Harewood Acres | | | Tom Payne | | 2nd |
| 25.8.1963 | SCCA Divisional Newport [AP+BP+CP+DP] | | | John Razzelle | | raced |
| 1.9.1963 | SCCA Regional Santa Barbara [AP+BP] | 37 | | Paul Cunningham | Paul Cunningham | DNA |
| 2.9.1963 | SCCA National Thompson [AP+BP+CP+DP] | 41 | | Bob Brown | | 2nd |
| 7.9.1963 | 200 mile Road America | 13 | #CSX2027 | Tom Payne | Daniel F. Gerber, Jr. | 2nd |
| 7.9.1963 | Indian Summer Trophy | | | Eppie Wietzes | Comstock | 3rd |
| 7.9.1963 | 200 mile Road America | | | R. E. L. Hayes | | 1st |
| 7.9.1963 | Indian Summer Mosport [Production +1.6] | | | Eppie Wietzes | Comstock | 1st |
| 8.9.1963 | 500 mile Road America | 13 | #CSX2027 | Payne / Gerber | Daniel F. Gerber, Jr. | 38th |
| 14.9.1963 | 500 km Bridgehampton [GT] | 41 | #CSX2043 | Bob Brown | White-Griffith Motors | DNF |
| 15.9.1963 | MMGCC St. Eugene IV [Main] | 54 | | Eppie Wietzes | Comstock Racing Team | 3rd |
| 15.9.1963 | MMGCC St. Eugene IV [Production +2.5/FJr.] | 54 | | Eppie Wietzes | | 3rd |
| 22.9.1963 | USRRC-GT Mid-Ohio | 45 | | R. E. L. Hayes | R. E. L. (Bob) Hayes | DNA |
| 22.9.1963 | SCCA Divisional Midland [AP+?] | | | R. E. L. Hayes | | 1st |
| 22.9.1963 | SCC-BC Westwood [Formula Libre] | | | John Razzelle | | 1st |
| 22.9.1963 | SCC-BC Westwood [AP+BP+CP+DP] | | | John Razzelle | | 1st |
| 28.9.1963 | 3 h Autosport | 23 | | Bob Olthoff | J. Willment Autos Ltd. | raced |
| 28.9.1963 | GP Canada Mosport | 54 | #CSX2002 | Eppie Wietzes | Comstock Racing Team | 6th |
| 28.9.1963 | SCCA Divisional Lime Rock [AP+BP+CP] | | | Mark Donohue | Jack Griffith | 1st |
| 29.9.1963 | 200 mile Kent | 59 | #CSX2035 | John Razzelle | John Razzelle | DNF |
| 26.10.1963 | 5 h Westwood | | | John Razzelle | | ?th |
| 27.10.1963 | SCC-BC Westwood [AP+BP+CP+DP+EP+GT] | | | John Razzelle | | 1st |
| 2.11.1963 | 9 h Kyalami | 6 | | Olthoff / Gardner | John Willment Automobiles Ltd. | 2nd |
| 3.11.1963 | SCCA Regional Vineland [AP+BP+CP+DP] | | | Mark Donohue | | DNF |
| 8.12.1963 | Nassau Trophy | 18 | | Balz Amschwand | | DNA |
| 14.12.1963 | Kyalami GP | 1 | | Paul Hawkins | John Willment Automobiles | 1st |
| 28.12.1963 | GP East London | | | John Whitmore | | 1st |