1楼. 所有参赛车必须使用4冲程活塞引擎 (four-stroke piston engines),
车厂不限排量 (with free cubic capacity for manufacturers),
私人车队最高5.5升 (up to 5.5 liters for private teams),
车厂允许的最高涡轮压力为4 bar (allow high turbo pressure for the manufacturers, up to 4 bars)。
这就破除了对进气的限制 (do away with air inlets, air restricts),
允许了可变进气门 (allow variable intake trumpets),
燃油喷射压力不限制 (fuel injection pressure will be free),
弃用现用燃油E10,改用二代生物燃油E20 (segue to second generation E20 bio fuels from the current E10),
燃油选择为柴油、E20二选一 (allow either diesel or gas
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