| 21.03.1964 |
 12 Hours of SebringSportwagen-WM |
Shelby American Corp.
|
4
|
3 |
finished |
+15 |
| 23.03.1963 |
12 Hours of SebringSportwagen-WM |
Porsche System Engineering Ltd.
|
9
|
|
finished |
+9 |
| 17.02.1963 |
Daytona 3 HoursSportwagen-WM |
Porsche
|
7
|
|
finished |
+8 |
| 15.09.1962 |
Double 400 kmSportwagen-WM |
Chuck Cassel
|
1
|
8 |
finished |
+13 |
| 24.03.1962 |
12 Hours of SebringSportwagen-WM |
Porsche System Engineering
|
7
|
|
finished |
+10 |
| 11.02.1962 |
3 Hours of Daytona ContinentalSportwagen-WM |
Holbert's Garages
|
7
|
|
finished |
+13 |
| 10.06.1961 |
 24 Hours of Le MansSportwagen-WM · S2.0 |
Porsche System Engineering
|
5
|
2 |
finished |
+11 |
| 25.03.1961 |
12 Hours of SebringSportwagen-WM |
Brumos Porsche Company
|
5
|
2 |
finished |
+16 |
| 26.03.1960 |
Sebring International Grand Prix of Endurance for the Amoco TrophySportwagen-WM |
Brumos Porsche Car Corp.
|
2
|
6 |
finished |
+21 |
| 21.03.1959 |
12-Hour Florida International Grand Prix of Endurance for the Amoco TrophySportwagen-WM |
Cyrus L. Fulton
|
4
|
3 |
finished |
+22 |
| 22.03.1958 |
12-Hour Florida International Grand Prix of Endurance for The Amoco TrophySportwagen-WM |
Marshall Motors
|
25
|
|
finished |
-5 |