PORSCHE RACING HISTORY1970 - Spa 1000 km
17 May 1970 - Spa-Francorchamps, Belgium
Jo Siffert & Brian Redman win in a Porsche 917 K
Overall - 1st, 3rd : S5.0 - 1st, 3rd : P3.0 - 1st, 2nd : S2.0 - 1st, 2nd : P2.0 - 1st : Gt+2.0 - 1st, 2nd : GT2.0 - 2nd
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 917 K | 917-014 | S5.0 | Jo Siffert (CH)/Brian Redman (GB) | J. W. Automotive Engineering (GB) | 1st | 1st | 2nd | 71 laps |
| 28 | Porsche 917 K | 917-023 | S5.0 | Vic Elford (GB)/Kurt Ahrens Jr. (D) | Porsche Salzburg (A) | 3rd | 3rd | 12th | 70 laps |
| 43 | Porsche 917 K | 917-021 | S5.0 | Hans Laine (FIN)/Gijs van Lennep (NL) | Racing Team AAW (FIN) | 5th | 5th | 6th | 68 laps |
| 29 | Porsche 917 K | 917-020 | S5.0 | Richard Attwood (GB)/Hans Herrmann (D) | Porsche Salzburg (A) | 6th | 6th | 8th | 68 laps |
| 6 | Porsche 908/02 | 908/02-005 | P3.0 | Gérard Larrousse (F)/Rudi Lins (A) | Martini International Racing Team (D) | 9th | 1st | 15th | 64 laps |
| 5 | Porsche 908/02 | 908/02-023 | P3.0 | Hans-Dieter Dechent (D)/Helmut Marko (A) | Martini International Racing Team (D) | 11th | 2nd | 14th | 62 laps |
| 31 | Porsche 910 | 910-017 | S2.0 | John L'Amie (GB)/Brian Nelson (GB) | John L'Amie (GB) | 12th | 1st | 18th | 59 laps |
| 15 | Porsche 907 Spyder | 907-022 | P2.0 | Hans-Dieter Blatzheim (D)/Ernst Kraus (D) | Hans-Dieter Blatzheim (D) | 13th | 1st | 13th | 59 laps |
| 32 | Porsche 910 | 910-018a | S2.0 | Peter Sadler (GB)/Paul Vestey (GB) | Paul Vestey (GB) | 14th | 2nd | 17th | 56 laps |
| 59 | Porsche 911 S | 911 030 1016 | GT+2.0 | Bernard Cheneviére (CH)/Claude Haldi (CH) | Bernard Cheneviére (CH) | 16th | 1st | 19th | 55 laps |
| 30 | Porsche 917 K | 917-007 | S5.0 | Jürgen Neuhaus (D)/Helmut Kelleners (D) | Gesipa Racing Team (D) | 17th | 4th | 54 laps - Collision with Wicky | |
| 53 | Porsche 911 S | 911 030 1010 | GT+2.0 | Erwin Kremer (D)/Karl von Wendt (D) | Auto Kremer (D) | 18th | 2nd | 27th | 54 laps |
| 52 | Porsche 911 | GT2.0 | G. van Butsel (B)/Robert Moerenhout (B) | Jean-Pierre Gaban (B) | 20th | 2nd | 32nd | 52 laps | |
| 60 | Porsche 911 S | GT2.0 | Georges Duvigneaud (B)/Camille Demoulin (B) | Georges Duvigneaud | 21st | 26th | 50 laps | ||
| 58 | Porsche 911 S | 118 20 847 | GT2.0 | André Wicky (CH)/Sylvain Garant (F) | Wicky Racing Team (CH) | NC | 31st | 41 laps | |
| 25 | Porsche 917 K | 917-004 | S5.0 | Pedro Rodríguez (MEX)/Leo Kinnunen (FI) | J. W. Automotive Engineering (GB) | DNF | 1st | 44 laps - Oil Pipe, Gearbox | |
| 51 | Porsche 911 S | GT2.0 | Jean-Pierre Gaban (B)/Willy Braillard (B) | Jean-Pierre Gaban (B) | DNF | 25th | 33 laps | ||
| 54 | Porsche 911 S | 911 030 0998 | GT+2.0 | Jacques Rey (CH)/Edgar Berney (CH) | Jacques Rey (CH) | DNF | 21st | 12 laps - Engine |
International Championship for Makes Spa 1000 km
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