FIELD: mechanical engineering; gasoline engines. SUBSTANCE: system has additional tube 8 with three-way valve 7 and expansion tank 9. Tube 8 is laid through regulator 11 to exhaust manifold 2 from outside is tightly connected with manifold and then it is brought inside manifold 2. Tube 12 at its outlet from manifold 2 is provided with second expansion tank 13 from which tube 14 is laid under carburetor 3 and brought into connection 5 of fuel-air mixture delivery channel. EFFECT: improved operation. 2 cl, 4 dwg
