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Hemi Definition - Just in Case You Cared
1.09.2004 - 4:53 PM | permalink

Hemi Definition: "' Hemi ' is the abbreviation of ' hemi-spherical ' combustion chamber. The combustion chamber is half sphere shaped with the intake and exhaust valves directly opposite and included away from each other with the spark plug in the centre of the chamber.

The advantages of such a design is many :

- it possesses a much higher volume to surface area ratio , which allows for greater resistance to detonation

- the valves are opposite rather than next to one another, which allows the engine to operate cooler

- the spark plug in the centre, helps flame travel and promotes a better and more efficient burning of the fuel and air mixture

Now you know... in case someone asks you "that thing got a hemi?"
 
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