in price, the way they work, reliability, etc.

thanx guys
lates

 

A supercharger is an air pump. A turbocharger is a specific kind of air pump; it is one which is driven by the exhaust stream. The term supercharger is usually used to describe a belt-driven air pump.

A supercharger of any kind enables the engine to develop more power by burning more combustible mixture per unit time. One characteristic of a supercharger is "boost", the amount of pressure it produces. A supercharger with higher boost force-feeds the engine more than a supercharger with lower boost. Any boost at all causes the engine to experience higher stresses than its designers intended. These stresses include pressure on the piston crown and cylinder wall, and higher loads on the connecting rod, bearings, and crankshaft journals. All of these increased stresses act to shorten engine life. More boost ==> more stress ==> earlier failure.

Turbochargers exhibit "turbo lag", a delay between the time the driver hits the gas pedal and the time the turbo(s) "spool up" enough to develop useful boost. Turbo lag can be reduced by using a turbo which has lightweight rotating parts and by using two small turbochargers instead of one larger one. Packaging concerns in tight engine compartments may favor one type of supercharger over another. Some performance enthusiasts prefer running a Nitrous Oxide rig instead of a supercharger.

Stillen sells a supercharger kit. AFAIK there is no commercially available turbocharger kit. Therefore it is not realistic to compare prices.

 

thanx man u really know ur sh*t

 

That question is probably beyond the scope of this thread. Daniel gave a good basic description but if you want to know more, use the search feature on your internet browswer.