V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

whats the difference

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Old May 3, 2005 | 06:23 AM
  #21  
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Magiarn71
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Default RE: whats the difference

You do. The turbine is driven by the exhaust, which turns the compressor which moves outside air into the intake.

And FoxGT, someone else said that they run on heat.
Old May 3, 2005 | 10:53 AM
  #22  
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white_snake
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Default RE: whats the difference

ok im good to go now!!
thanks for all your guy's help[sm=smiley20.gif]
Old May 3, 2005 | 02:35 PM
  #23  
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aamilo
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Default RE: whats the difference


ORIGINAL: matthockey32


ORIGINAL: aamilo

Because Turbo charges run on gas they tend not to get up to speed until the engine is at higher RPM's thus there is "lag" while you wait for the engine to spin high enough to spin the turbine to force the air. In a supercharger the turbine is spinning all the time because the turbine is spinning with the engine and thus power is more consistant AND is avaliable at all RPM's. However my understanding is that modern technology has eliminated much if not all turbo lag so there is little difference between the two. I believe cost is about the same between the two my choice however would be the supercharger.
no they don't. turbos run off exhaust heat. the air pressure keeps them spooled. trust me, that is my job

hey guys, sorry to bring this up since the question has been answered but I have been horribly misquoted. Sure I am just learning and I appreciate all the help but IF you are going to quote me, please DON"T take it out of context. Just two lines earlier I had indicated that it was exaust gas. I am sorry for anyone who read that and assumed that I was refering to gasoline but when someone is taken out of context it is easy to make him look like an idiot. And thanks 2kconvmustnag for the links but it clearly refers to both as "blowers" in "the difference" section and that turbo's are driven off exaust gas. Again I don't mind being corrected, and I know lots of you know more than me but I find it easy enough myself to look like an idiot without being misquoted in the process.
Old May 3, 2005 | 08:32 PM
  #24  
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I G Joe
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Default RE: whats the difference


ORIGINAL: matthockey32


ORIGINAL: aamilo

Because Turbo charges run on gas they tend not to get up to speed until the engine is at higher RPM's thus there is "lag" while you wait for the engine to spin high enough to spin the turbine to force the air. In a supercharger the turbine is spinning all the time because the turbine is spinning with the engine and thus power is more consistant AND is avaliable at all RPM's. However my understanding is that modern technology has eliminated much if not all turbo lag so there is little difference between the two. I believe cost is about the same between the two my choice however would be the supercharger.
no they don't. turbos run off exhaust heat. the air pressure keeps them spooled. trust me, that is my job

im sorry but the first guy is right. they dont run off of heat. they run off the the exhaust gasses there bud. when you force the exhaust gasses through a turbine the intake side of the turbo spins with it sucking in air. depending on the turbo and engine turbos dont reach full potential till about 3k rpms in that case yes there is a turbo lag. with the right engine managment system and ignition system you can over come that turbo lag and still have low end torque.
Old May 4, 2005 | 01:10 AM
  #25  
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FoxGT
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Default RE: whats the difference

ORIGINAL: 2003bluestang
n/m about that question, i found my answer, but if the tubin runs of heat and exhaust fumes, i thought you want cold air going into the cylinders.....
You want cold air going into the cylinders & hot air coming out. The reason behind this is colder air takes up less space, the molocules are closer together. So with the air being colder you can stuff more in there & colder air is less likely to preignite. & you want hot air to come out because hot air takes up more room so you have more exhaust gasses pushing the turbine.
ORIGINAL: Magiarn71
You do. The turbine is driven by the exhaust, which turns the compressor which moves outside air into the intake.

And FoxGT, someone else said that they run on heat.
Oh, my mistake.

ORIGINAL: I G Joe
ORIGINAL: matthockey32
ORIGINAL: aamilo

Because Turbo charges run on gas they tend not to get up to speed until the engine is at higher RPM's thus there is "lag" while you wait for the engine to spin high enough to spin the turbine to force the air. In a supercharger the turbine is spinning all the time because the turbine is spinning with the engine and thus power is more consistant AND is avaliable at all RPM's. However my understanding is that modern technology has eliminated much if not all turbo lag so there is little difference between the two. I believe cost is about the same between the two my choice however would be the supercharger.
no they don't. turbos run off exhaust heat. the air pressure keeps them spooled. trust me, that is my job
im sorry but the first guy is right. they dont run off of heat. they run off the the exhaust gasses there bud. when you force the exhaust gasses through a turbine the intake side of the turbo spins with it sucking in air. depending on the turbo and engine turbos dont reach full potential till about 3k rpms in that case yes there is a turbo lag. with the right engine managment system and ignition system you can over come that turbo lag and still have low end torque.
Heat plays a very big role in a turbocharger setup though. without it your car wouldn't produce any boost. You could get a special exhaust housing made for it, but it would have a lower efficiency than the one built for a car with hot exhaust gasses due to a smaller nozzle.
Old May 4, 2005 | 01:34 AM
  #26  
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Epon
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Default RE: whats the difference

Would a turbo/super charger be an efficient means of boosting performance in an automatic 6banger?
Old May 7, 2005 | 11:49 AM
  #27  
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FoxGT
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Default RE: whats the difference

ORIGINAL: Epon
Would a turbo/super charger be an efficient means of boosting performance in an automatic 6banger?
Of course. Either one would be good.
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