mix the fuel and air

ignite the air fuel mixture

provide flame front for ignition

spray atomized fuel in the cylinder

tetraethyl lead

trimethyl pentane

amyl nitrate

hexadecane

straight chain paraffins

aromatics

branched chain paraffins

napthalenes

brake power

compression ratio

specific air consumption

mean effective pressure

engine can run

engine gives maximum output

engine is most efficient

fuel can be used in a test engine without knocking