Italian tuneup
Encyclopedia
An Italian tuneup usually refers to a process whereby the operator of a motor vehicle runs the engine at full load for extended periods in order to burn carbon buildup from the combustion chamber
Combustion chamber
A combustion chamber is the part of an engine in which fuel is burned.-Internal combustion engine:The hot gases produced by the combustion occupy a far greater volume than the original fuel, thus creating an increase in pressure within the limited volume of the chamber...

s and exhaust system. It is performed after a traditional tuneup and often accompanied by an addition of fuel system cleaner to the fuel tank. It is particularly useful for vehicles that are only operated at low speeds on short journeys, and for diesel vehicles prior to emissions testing.

History

The origin of the Italian tuneup comes from Ferrari
Ferrari
Ferrari S.p.A. is an Italian sports car manufacturer based in Maranello, Italy. Founded by Enzo Ferrari in 1929, as Scuderia Ferrari, the company sponsored drivers and manufactured race cars before moving into production of street-legal vehicles as Ferrari S.p.A. in 1947...

. Owners would drive their cars infrequently and never run them hard, which causes the engine to build up enough carbon inside to affect performance. Mechanics would perform a "tuneup" by driving several laps around a race track to get the engine hot enough to burn out the built up carbon. Cars before the advent of modern engine lubricants and fuels, often had a 'de-coke' by hand, after removing the cylinder head, as a scheduled service operation.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK