David Diem
Listed Hometown: Newport Beach, California
Born:
Died:
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| Year | Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles | Points | Standing |
| 1988 | WCAR | 9 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 71 | 7 | |
| 1989 | SCCA - A | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | NR |
| 1989 | SCCA - P | 9 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 81 | 5 | |
| 1990 | SCCA - A | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | NR |
| 1990 | SCCA - P | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 27 | 15 |
| Total | 22 | 1 | 1 | 0 | 1 | 2 | 0 | 1 | 179 |
| Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| SCCA | 13 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | |
| WCAR | 9 | 0 | 0 | 0 | 0 | 2 | 0 | 0 |
| Track Type | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Paved Oval | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 |
| Road Course | 17 | 1 | 1 | 0 | 1 | 2 | 0 | 1 | |
| Street Course | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 |
| Start # | Date | Track | Type | Series | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
Points |
| 1 | 4/30/1988 | Willow Springs | RC | WCAR | 4 | Check-X-Change | Ralt RT-4 | Ford | 12 | 9 | 25 | Finished | 7 |
| 2 | 5/29/1988 | Sears Point 1 | RC | WCAR | 4 | Check-X-Change | Ralt RT-4 | Ford | 16 | 16 | 19 | Flagged | |
| 3 | 6/6/1988 | Westwood 1 | RC | WCAR | 4 | Check-X-Change | Ralt RT-4 | Ford | 26 | 23 | 5 | Wrecked | |
| 4 | 6/7/1988 | Westwood 2 | RC | WCAR | 4 | Check-X-Change | Ralt RT-4 | Ford | 3 | 4 | 35 | Finished | 12 |
| 5 | 7/3/1988 | Spokane | SC | WCAR | 4 | Check-X-Change | Ralt RT-4 | Ford | 11 | 8 | 36 | Flagged | 8 |
| 6 | 8/7/1988 | Sears Point 2 | RC | WCAR | 4 | Check-X-Change | Ralt RT-4 | Ford | 12 | 7 | 25 | Finished | 9 |
| 7 | 8/28/1988 | Portland | RC | WCAR | 4 | Check-X-Change | Ralt RT-4 | Ford | 5 | 6 | 33 | Finished | 20 |
| 8 | 9/11/1988 | Westwood 3 | RC | WCAR | 4 | Check-X-Change | Ralt RT-4 | Ford | 6 | 4 | 35 | Finished | 12 |
| 9 | 10/15/1988 | Laguna Seca | RC | WCAR | 4 | Check-X-Change | Ralt RT-4 | Ford | 8 | 13 | 27 | Flagged | 3 |
| 10 | 4/16/1989 | Long Beach | SC | SCCA - A/P | 4 | DMR Pro Mark | Swift DB-4 | X | 15 | 18 | 35 | Flywheel | 7 |
| 11 | 4/30/1989 | Willow Springs | RC | SCCA - P | 4 | DMR Pro Mark | Swift DB-4 | X | 3 | 3 | 20 | Finished | 14 |
| 12 | 5/7/1989 | Sears Point 1 | RC | SCCA - P | 4 | DMR Pro Mark | Swift DB-4 | X | 9 | 17 | 7 | Electrical | |
| -- | 5/28/1989 | Westwood 1 | RC | SCCA - P | 4 | DMR Pro Mark | Swift DB-4 | X | 15 | -- | -- | DNS, wrecked | |
| 13 | 6/4/1989 | Phoenix | SC | SCCA - P | 4 | DMR Pro Mark | Swift DB-4 | X | 14 | 6 | 25 | Flagged | 10 |
| 14 | 8/5/1989 | Westwood 2 | RC | SCCA - P | 4 | DMR Pro Mark | Swift DB-4 | X | 4 | 6 | 34 | Flagged | 10 |
| 15 | 8/19/1989 | Seattle 1 | RC | SCCA - P | 4 | DMR Pro Mark | Swift DB-4 | X | 6 | 6 | 28 | Finished | 10 |
| 16 | 8/20/1989 | Seattle 2 | RC | SCCA - P | 4 | DMR Pro Mark | Swift DB-4 | X | 4 | 14 | 25 | Flagged | 2 |
| 17 | 9/3/1989 | Calgary | RC | SCCA - P | 4 | DMR Pro Mark | Swift DB-4 | Toyota | 1 | 1 | 32 | 0:38:43.134 | 20 |
| 18 | 9/10/1989 | Sears Point 2 | RC | SCCA - P | 4 | DMR Pro Mark | Swift DB-4 | X | 17 | 8 | 24 | Flagged | 8 |
| NC | 10/15/1989 | Topeka 2 | RC | SCCA - A/P | 4 | DMR Pro Mark | Swift DB-4 | X | 21 | 13 | 38 | Flagged | |
| 19 | 4/22/1990 | Long Beach | SC | SCCA - A/P | 4 | DMR Pro Mark | Swift DB-4 | Toyota | 9 | 7 | 37 | Finished | 11 |
| 20 | 5/6/1990 | Sears Point | RC | SCCA - P | 77 | DMR Pro Mark | Swift DB-4 | Toyota | 17 | 6 | 25 | Finished | 10 |
| 21 | 6/2/1990 | Calgary 1 | RC | SCCA - P | 77 | DMR Pro Mark | Swift DB-4 | Toyota | 9 | 15 | 12 | Throttle | 1 |
| 22 | 6/3/1990 | Calgary 2 | PO | SCCA - P | 77 | DMR Pro Mark | Swift DB-4 | Toyota | 11 | 11 | 140 | Flagged | 5 |