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Old 09-23-2006, 19:40   #1 (permalink)
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Whats the difference between turbo and superchargers?

OK I was wondering whats the difference between the two and I heard that the supercharger kills mpg and that the turbo is alot more matenince and the supercharger is just bolt and go. Any answers
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Old 09-24-2006, 14:08   #2 (permalink)
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Re: Whats the difference between turbo and superchargers?

to make power takes gasoline, so 2 engines of similar design making the same power will use the same amount of as.

Neither is more "maintenance", however, superchargers are typically a bit easier to install.

Please read this, which answers your question much more throroughly - Howstuffworks "What is the difference between a turbocharger and a supercharger on a car's engine?"
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Old 09-24-2006, 17:12   #3 (permalink)
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Re: Whats the difference between turbo and superchargers?

Quote:
Originally Posted by Dr. Disque
Neither is more "maintenance", however, superchargers are typically a bit easier to install.
Bingo how ever in most applications with the addition of a high power turbo it would be wise to install soduim valves due to the high back pressure and temp that is what turbos are famous for. And like the good Dr. said superchargers are much eaiser to install for the most part. Turbo chargers are designed for a constant wide open applications. in other words not a constant changing of gears like a street coarse. Superchargers on the other hand proform at their best in the open/closed situations. Because a supercharger does not need time to spool. its there from the bottom to the top. the turbo needs that turbo "lag" befor anything can happen.
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Old 09-26-2006, 05:18   #4 (permalink)
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Re: Whats the difference between turbo and superchargers?

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Originally Posted by Ogre8472
Bingo how ever in most applications with the addition of a high power turbo it would be wise to install sodium valves due to the high back pressure and temp that is what turbos are famous for. And like the good Dr. said superchargers are much easier to install for the most part. Turbo chargers are designed for a constant wide open applications. in other words not a constant changing of gears like a street coarse. Superchargers on the other hand proformat their best in the open/closed situations. Because a supercharger does not need time to spool. its there from the bottom to the top. the turbo needs that turbo "lag" before anything can happen.
Oh so that's why they use blowers on rally cars etc...It's all in the components..
You are drawing along bow in that statement..
There is hardly such a thing as lag when ECU is set up correctly...Anti- lag [rally]/ pre - stage [drags] etc...I have nearly 600 rwhp and 30,000 mls & never had issues with valves, though they are one piece stainless...Generally a turbo engine can have higher final drive as turbo's work WELL when engine is loaded up...Even at drags a turbo 5.0 Mustang is able to run mid 10"s with 3.27 final drive.. Which makes it ideal for daily driver...Don't compare centrifugal with positive displacement blowers... Turbo's have far more mid range torque over cent blower which generally has it's peak power at peak rpm...There are turbo cars out there now setting records that blowers had .. Trouble is the "RULES" limit turbo's in some classes in the ecu dept.A problem of sponcers supporting there own products..So blowers have the advantage there due to there lineal flow numbers in this area....
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Old 09-26-2006, 14:11   #5 (permalink)
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Re: Whats the difference between turbo and superchargers?

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Originally Posted by ebxr8240
Oh so that's why they use blowers on rally cars etc...It's all in the components..You are drawing along bow in that statement..
There is hardly such a thing as lag when ECU is set up correctly...Anti- lag [rally]/ pre - stage [drags] etc....
sure...if your dropping a lot money like the rally cars do. Dont froget that they have gone threw every part in that motor to do that. And usually have factor support. But in any event the idea remains the same....add hp....just do what works best for you. After all is your car!
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Old 09-28-2006, 07:14   #6 (permalink)
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Re: Whats the difference between turbo and superchargers?

Most decent Ecu's can control whats required to have a good running turbo...
If turbo's where in F1 these days the power levels would be far greater and or at least 100% more reliable..Money wasn't mentioned..
But the difference is turbo's are driven off exhaust gasses.. Using energy that's not used during compression process.. In general terms a turbo can make more power with LESS stress on engine due to compressor not being driven off crankshaft...To fit a blower especially a centrifugal is almost plug and play but turbo / positive displacement blowers need some fabrication work... Depends some kits are available for each...Where the measuring and hard work is already done...Turbo is generally more fuel efficient or at least EPA friendly...
How many superchargers are in wrc rally / champ cars??? Nill...
I rest my case....
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Old 10-04-2006, 06:47   #7 (permalink)
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Re: Whats the difference between turbo and superchargers?

If turbos were put back into the F1 cars, the race drivers would all be dead. They all ready make heaps of power from there small piston size and small cubic size as they are able to rev past 15000rpm, much like a motor bike engine. No turbo would be able to take a motor that revs past 15k. A normal turbo can spin up to 120,000 rpm from a motor which has a red line at about 8000 rpm, imagine it from F1 motor. A second thing is F1 exhaust at idle are glowing orange, at full throttle they are translucent. An exhaust turbine would fail if they get to a temperature were it becomes translucent, thats +2000degC +.

No turbo or supercharger is bolt on and go, some things must come into consideration, for instance:

Boost amount; some engines can take a low boost appilcation without damaging internals. Go for high boost and rebuild engines with forged pistions and forged conrods are required. When you apply forced induction to an engine you are lowering the compression as more air can be forced into the cylinder chamber, so a thinner metal head gasket and oversized valves may be needed.

More fuel; with forced induction more fuel is required too prevent detonation. With more air more fuel is needed to allow safe air/fuel ratios. Extra fuel in the engine may come from bigger injectors and bigger fuel pump.

Another thing is the engine management system or ecu upgrade but if these 2 key things arent carefully looked over when applying boost, they can be the biggest killer of engine. Detonation kills engines!
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Old 10-13-2006, 05:37   #8 (permalink)
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Re: Whats the difference between turbo and superchargers?

F1 turbo cars were 1500cc made plenty of power and didn't have to rev quite as high as they do now...That makes them heaps more efficient if they don't need to rev so high. In that? I rest my case!!.....BTW turbo's spin to 150,000+ rpm..The rpm of the motor has nothing to do with turbo rpm.. Have a look at compressor maps, just fit turbo to desired power level, if everything else in engine is up to power level?...
In most cases supercharger KITS can be bought including fuel, ecu upgrades etc..
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Old 10-20-2006, 15:39   #9 (permalink)
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Re: Whats the difference between turbo and superchargers?

Ok whats better for the SHO or Thunderbird SC
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Old 10-20-2006, 21:48   #10 (permalink)
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Re: Whats the difference between turbo and superchargers?

We don't have them!!!
Have Skyline GTR's, Toyota Supra's ....
And the slower s/c Holden's..
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