| 31.5.1958 | Novice Dunkirk [EP+FP+GP] | 64 | | Paul Vollmer | | 4th |
| 1.6.1958 | SCCA National Bridgehampton [FP] | 54 | | Asher Chapman | | 9th |
| 1.6.1958 | SCCA Regional Dunkirk [FP+GP] | 64 | | Paul Vollmer | | 8th |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 65 | | Oscar Weissenborn | | 4th |
| 15.6.1958 | SCCA National Lime Rock [FP] | 24 | | Buel Kinne | | 4th |
| 5.7.1958 | SCCA National Lime Rock [FP] | 44 | | Dan McNally | | 7th |
| 20.7.1958 | SCCA Regional Thompson [FP] | 24 | | Buel Kinne | | 7th |
| 20.7.1958 | SCCA Regional Thompson [FP] | 35 | | Oscar Weissenborn | | DNA |
| 20.7.1958 | SCCA Regional Thompson [FP] | 42 | | Victor Czito | | 6th |
| 20.7.1958 | SCCA Regional Thompson [FP] | 117 | | Joe Trotter | | 10th |
| 31.8.1958 | Preliminary Thompson [FP] | 23 | | Joe Trotter | | 10th |
| 31.8.1958 | Preliminary Thompson [FP] | 24 | | Buel Kinne | | 5th |
| 31.8.1958 | Preliminary Thompson [FP] | 64 | | Oscar Weissenborn | | 6th |
| 31.8.1958 | Preliminary Thompson [FP] | 112 | | John Romig | | 7th |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 23 | | Joe Trotter | | 10th |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 24 | | Buel Kinne | | 8th |
| 13.9.1958 | Preliminary Bridgehampton [GT] | 14 | | Arthur Peck | | 3rd |
| 13.9.1958 | Preliminary Bridgehampton [GT] | 95 | | J. Harrison | | 7th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 8 | | Buel Kinne | | DNF |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 8 | | Buel Kinne | | 12th |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 8 | | Buel Kinne | | 4th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 37 | | Bruce Grohe | | 26th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 37 | | Bruce Grohe | | 22nd |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 71 | | Victor Czito | | 14th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 71 | | Victor Czito | | 14th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 77 | | Edward Todd | | 11th |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 77 | | Edward Todd | | 7th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 77 | | Edward Todd | | 15th |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 114 | | Albert Close | | 11th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 114 | | Albert Close | | 22nd |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 114 | | Albert Close | | DNF |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 23 | | J. Albert Schaefer | Dr. J. Albert Schaefer | 18th |
| 21.9.1958 | LISCA Lime Rock [FP+GP] | 162 | | John Wright | | ?th |
| 21.9.1958 | LISCA Lime Rock [FP+GP] | 186 | | D. Hogan | | 1st |
| 21.9.1958 | LISCA Lime Rock [FP+GP] | 224 | | A. Betterini | | ?th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 2 | | Oscar Weissenborn | | 4th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 20 | | Bruce Grohe | | DNF |
| 5.10.1958 | SCCA Regional Thompson [FP] | 35 | | Donald Mark | | 9th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 53 | | Joe Trotter | | 8th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 111 | | Edward Todd | | 5th |
| 19.10.1958 | SCCA Regional Lime Rock [FP] | 777 | | Ben Loquasto | | 8th |