Superchargers vs Turbochargers

sliderz1 · Postby **sliderz1** » January 21st, 2011, 12:30 am

SOMETHING 4 GENERAL KNOWLEDGE

Turbochargers can fit on any engine type, given the use of the appropriate exhaust manifold and a decompressed engine block. However, the turbo must be sized properly according to the application. Small turbos mean faster boost responses, but limited amounts of boost. Larger sized turbos take up more time to build up boost, but they give a lot of boost. Turbochargers are propelled by the exhaust gas velocity of the vehicle and are directly proportional to the temperature of the engine. Turbos feed on fresh oil constantly, so oils with high ratings must be used in the vehicle.

Superchargers use the same concept as turbochargers in the effect that it also compresses air. Superchargers can also be made to fit on any type of engine, and only comes in two types of kits. Both are fanbelt pulley driven units. When it comes to horsepower and torque, superchargers can gain as much as 40 percent in horsepower and 50 percent in torque with the use of just a base kit.

The advantages of turbocharging is the ability to increase horse power using boost controllers and changing turbo units. Turbos give you more power using a pulling effect type of forced induction. However, on the down side, turbos tend to produce more heat as the boost increases, therefore intake temperatures increase causing dense air that cannot be compressed. This usually happens after 5 psi.

To solve this problem, an intercooler may be added to help prevent detonation. The other problem with turbo charging is that it requires more maintenance because the amount of heat associated with the boost, this means the turbo must cool down after aggressive driving for about 2 to 3 minutes at idle. Installing a turbo timer is the best bet. Turbos must also be allowed to heat up before aggressive driving.

Unlike the turbochargers that require cool down time, or warm up time, the supercharger is ready to go when you are. At 2000rpm, boost is already available with a supercharger. When it comes to fuel efficiency, superchargers actually kind of help to improve your MPG. The reason for better mileage is the fact that you do not have to drive the engine at full throttle due to available boost. However, anytime that you drive aggressively, fuel efficiency will suffer.

Due to the fact that the supercharger is pulley driven, there is some strain put on the engine. Also, where as with the use of an intercooler with the turbo setup and you have the use of practically unlimited boost, you are limited to what the supercharger has to offer.

Installation of a supercharger usually takes about 6 to 8 hours... if you are mechanically inclined and there is no cutting or welding required. Superchargers also tend to last longer than turbo chargers because they do not require much maintenance and have a self contained oil supply.

Turbochargers and Superchargers are two of the best ways to accomplish your goals by producing more power and faster times. Both have great sounds, the superchargers with their aggressive whistling sound, and the turbos with their jet engine type sound.

In a nutshell, Turbochargers are efficient and flexible, allowing a wide range of swaps and upgrades to achieve the desired power output. They are not noisy and do not rob any power from the engine, however they do require a little more attention than superchargers.

http://ezinearticles.com/?Turbochargers ... s&id=11280
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There are tradeoffs in both systems. In theory, a turbocharger is more efficient because it is using the "wasted" energy in the exhaust stream for its power source. On the other hand, a turbocharger causes some amount of back pressure in the exhaust system and tends to provide less boost until the engine is running at higher RPM.
on the other hand, a turbocharger causes some amount of back pressure in the exhaust system and tends to provide less boost until the engine is running at higher RPMs. Superchargers are easier to install but tend to be more expensive.

http://auto.howstuffworks.com/question122.htm

dragsta34 · Postby **dragsta34** » January 21st, 2011, 7:07 am

good read....

bushwakka · Postby **bushwakka** » January 21st, 2011, 11:12 am

sliderz1 wrote:SOMETHING 4 GENERAL KNOWLEDGE

The advantages of turbocharging is the ability to increase horse power using boost controllers and changing turbo units. Turbos give you more power using a pulling effect type of forced induction. However, on the down side, turbos tend to produce more heat as the boost increases, therefore intake temperatures increase causing dense air that cannot be compressed. This usually happens after 5 psi.

Unlike the turbochargers that require cool down time, or warm up time, the supercharger is ready to go when you are. At 2000rpm, boost is already available with a supercharger. When it comes to fuel efficiency, superchargers actually kind of help to improve your MPG. The reason for better mileage is the fact that you do not have to drive the engine at full throttle due to available boost. However, anytime that you drive aggressively, fuel efficiency will suffer.

Due to the fact that the supercharger is pulley driven, there is some strain put on the engine. Also, where as with the use of an intercooler with the turbo setup and you have the use of practically unlimited boost, you are limited to what the supercharger has to offer.

blehh....the article is not written in the most clear-cut fashion, neither fully accurate
firstly, what everyone calls a turbo-charger is really a turbine-driven supercharger....i.e. the turbocharger is really a subset of the greater family of superchargers

it is not true that belt driven superchargers do not require intercoolers.....ALL compressors produce heat, since by the function of compressing a gas, the heat is produced.....therefore, an intercooled supercharger will outperform a non-intercooled one (assuming both installations are well designed).......it may however be true to say that turbine driven ones produce more heat since the flow of hot exhaust gases thru their chamber adds to the heat produced from gas compression

http://www.lextreme.com/icvsnic.htm

superchargers increase fuel efficency as compared to what? a N/A engine of the same displacement? i doubt.....the more boost u pack, the greater fuel u burn....not to mention there is parasitic loss from the engine due to the belt drive system

sliderz1 · Postby **sliderz1** » January 22nd, 2011, 12:55 am

bushwakka wrote:
sliderz1 wrote:SOMETHING 4 GENERAL KNOWLEDGE

The advantages of turbocharging is the ability to increase horse power using boost controllers and changing turbo units. Turbos give you more power using a pulling effect type of forced induction. However, on the down side, turbos tend to produce more heat as the boost increases, therefore intake temperatures increase causing dense air that cannot be compressed. This usually happens after 5 psi.

Unlike the turbochargers that require cool down time, or warm up time, the supercharger is ready to go when you are. At 2000rpm, boost is already available with a supercharger. When it comes to fuel efficiency, superchargers actually kind of help to improve your MPG. The reason for better mileage is the fact that you do not have to drive the engine at full throttle due to available boost. However, anytime that you drive aggressively, fuel efficiency will suffer.

Due to the fact that the supercharger is pulley driven, there is some strain put on the engine. Also, where as with the use of an intercooler with the turbo setup and you have the use of practically unlimited boost, you are limited to what the supercharger has to offer.

blehh....the article is not written in the most clear-cut fashion, neither fully accurate
firstly, what everyone calls a turbo-charger is really a turbine-driven supercharger....i.e. the turbocharger is really a subset of the greater family of superchargers

it is not true that belt driven superchargers do not require intercoolers.....ALL compressors produce heat, since by the function of compressing a gas, the heat is produced.....therefore, an intercooled supercharger will outperform a non-intercooled one (assuming both installations are well designed).......it may however be true to say that turbine driven ones produce more heat since the flow of hot exhaust gases thru their chamber adds to the heat produced from gas compression

http://www.lextreme.com/icvsnic.htm

superchargers increase fuel efficency as compared to what? a N/A engine of the same displacement? i doubt.....the more boost u pack, the greater fuel u burn....not to mention there is parasitic loss from the engine due to the belt drive system