OCR Text |
Show Three Conditions Cause Gasoline Preignition Prelgnlt on of tho gasoline charge In the cylinder Is something that the motorist may find more prevulent as the compression ratio of the engine is raised. Usually, one of three things Is responsible for this condition which results In a diminution of engine power. , These are exceptionally hot exhaust valves, high temperature of the spark plug electrodes, or a bit of Incandescent Incandes-cent carbon on the cylinder head or the piston. Knowledge of the causes should facilitate the elimination of the trouble. |