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The 1970 1000km of Spa-Francorchamps was an endurance race held at the Circuit de Spa-Francorchamps, Belgium on May 17, 1970. It was the sixth round of the 1970 International Championship for Makes.〔(Season: 1971 (International Championship for Makes), www.racingsportscars.com ) Retrieved 31 January 2014〕 ==Pre-race== Prior to Formula One boycotting and then cancelling the 1969 Belgian Grand Prix because of the dangers of the ultra-high speed 8.7 mi (14.1 km) Spa-Francorchamps circuit, the track was fitted with Armco barriers and was generally made safer. The layout had not been changed, however- and the circuit was still extremely fast and demanding; racing records were smashed at this race by the prototypes. The old Spa layout was just about flat out for the entire 8.7 mile distance; the circuit sped into the rural countryside; whereas now, the circuit stays inside a part of the mountainous Ardennes forest. Lost corners like Burnenville, Malmedy, the infamous Masta Kink, Stavelot and La Carriere were all 180+ mph and corners like Eau Rouge, Blanchimont and Clubhouse were 150+ mph. So every corner except the ultra-slow La Source hairpin was extremely fast and there was never any let-up for the cars on this circuit aside from La Source- and to add to the mental challenge, most of those corners had to be taken just slightly under flat out. Spa was the fastest circuit in Europe at that time, and the great mental challenge of this legendary Belgian circuit in those days was that every corner was just as important as the other- if a driver lifted even just a little bit through any of the high-speed bends, they would lose 2-3 seconds from their lap time, just from having done the slightest little motion that would affect how they were driving. And worse- if a driver made even the slightest mistake, they were very likely to have a huge, catastrophic high speed accident which in those safety-absent days almost always meant serious injury or death. The works Porsche teams brought the 917K's back into action for this race. They had used the new 908/03's previously at the Targa Florio. In qualifying, pole position went to the Gulf-Porsche 917K of Pedro Rodriguez/Leo Kinnunen, followed by the other Gulf-Porsche 917K of Jo Siffert/Brian Redman, the works Ferrari 512S of Jacky Ickx/John Surtees, a privately entered 917K of Helmut Kelleners/Jürgen Neuhaus, and another works Ferrari 512S of Ignazio Giunti/Nino Vaccarella. Rodriguez averaged over 157 mph (253 km/h)- a new average speed record on road circuits. Both the Wyer Porsches and the Ferraris encountered problems. The Ferrari was unstable at medium speed; the Porsches shred their tires at the very fast bends. Both Siffert and Redman had very hairy moments. Rodriguez was aware of them but, according to John Horseman, he just responded by driving even faster. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「1970 1000km of Spa-Francorchamps」の詳細全文を読む スポンサード リンク
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