Additive
|
Function
|
Antiknock compounds
|
Increase octane number
|
Scavengers
|
Remove combustion products of antiknock compounds
|
Combustion chamber
|
Suppress surface ignition and spark plug deposit modifiers fouling
|
Antioxidants
|
Provide storage stability
|
Metal deactivators
|
Supplement storage stability
|
Antirust agents
|
Prevent rusting in gasoline-handling systems
|
Anti-icing agents
|
Suppress carburetor and fuel system freezing
|
Detergents
|
Control carburetor and induction system cleanliness
|
Upper cylinder lubricants
|
Lubricate upper cylinder areas and control intake system deposits
|
Dyes
|
Indicate presence of antiknock compounds and identify makes and grades of gasoline
|
(The Handy Science Answer Book, compiled by the Science and Technology department of the Carnegie Library of Pittsburgh)
