Since spark knock at high engine speeds is becoming increasing problem with modern cars, relationship between phenomenon and gasoline composition has been investigated; engines prone to high speed knock are generally those of relatively high specific output (high bhp/liter) compared to general car population; in such engines, spark knock at high speeds was found to be more closely related to RON (Research Octane Number) and olefin content than to either RON and sensitivity or Motor Octane Number alone.
Relationship between gasoline composition and spark knock at high engine speeds
Instn Mech Engrs -- Proc (Automobile Div)
1967
18 pages
Article (Journal)
English
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