whats the purpose of a roof scoop on a car?

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jjyiz28

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Old thread revived by noob and threadcrapper.
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destrekor

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i know for rally racing it draws air into the vehicle to flush out the hot air, since rally cars get really hot inside from the engine
i assume its the same for a regular ricer car too, unless they aren't functional
 

DaTT

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Some cars have mid-mounted engines and the roof-scoop actually feeds the engine with air.

And what he said:

Originally posted by: destrekor
i know for rally racing it draws air into the vehicle to flush out the hot air, since rally cars get really hot inside from the engine
i assume its the same for a regular ricer car too, unless they aren't functional

 

jjyiz28

Platinum Member
Jan 11, 2003
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Originally posted by: DaTT
Some cars have mid-mounted engines and the roof-scoop actually feeds the engine with air.

And what he said:

Originally posted by: destrekor
i know for rally racing it draws air into the vehicle to flush out the hot air, since rally cars get really hot inside from the engine
i assume its the same for a regular ricer car too, unless they aren't functional

so a car that has the engine in the front, the purpose of the roof scoop is merely for looks?
 

Wahsapa

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Jul 2, 2001
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subarus have the oil cooler mounted right under the hood so they put a scoop so as it get more air flow.
 

Howard

Lifer
Oct 14, 1999
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Originally posted by: jjyiz28
Originally posted by: DaTT
Some cars have mid-mounted engines and the roof-scoop actually feeds the engine with air.

And what he said:

Originally posted by: destrekor
i know for rally racing it draws air into the vehicle to flush out the hot air, since rally cars get really hot inside from the engine
i assume its the same for a regular ricer car too, unless they aren't functional

so a car that has the engine in the front, the purpose of the roof scoop is merely for looks?
Pretty much.
 

destrekor

Lifer
Nov 18, 2005
28,799
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Originally posted by: jjyiz28
Originally posted by: DaTT
Some cars have mid-mounted engines and the roof-scoop actually feeds the engine with air.

And what he said:

Originally posted by: destrekor
i know for rally racing it draws air into the vehicle to flush out the hot air, since rally cars get really hot inside from the engine
i assume its the same for a regular ricer car too, unless they aren't functional

so a car that has the engine in the front, the purpose of the roof scoop is merely for looks?

re-read what i said, its for the passenger-area of the car.. to flush out the hot-air inside
 

Ryan

Lifer
Oct 31, 2000
27,519
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81
Originally posted by: destrekor
Originally posted by: jjyiz28
Originally posted by: DaTT
Some cars have mid-mounted engines and the roof-scoop actually feeds the engine with air.

And what he said:

Originally posted by: destrekor
i know for rally racing it draws air into the vehicle to flush out the hot air, since rally cars get really hot inside from the engine
i assume its the same for a regular ricer car too, unless they aren't functional

so a car that has the engine in the front, the purpose of the roof scoop is merely for looks?

re-read what i said, its for the passenger-area of the car.. to flush out the hot-air inside

Um...no.
 

AgaBoogaBoo

Lifer
Feb 16, 2003
26,108
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On certain cars it's needed, I saw a turboed NSX once and it had to have that there. For most neons and such it's a waste.
 

destrekor

Lifer
Nov 18, 2005
28,799
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Originally posted by: Ryan
Originally posted by: destrekor
Originally posted by: jjyiz28
Originally posted by: DaTT
Some cars have mid-mounted engines and the roof-scoop actually feeds the engine with air.

And what he said:

Originally posted by: destrekor
i know for rally racing it draws air into the vehicle to flush out the hot air, since rally cars get really hot inside from the engine
i assume its the same for a regular ricer car too, unless they aren't functional

so a car that has the engine in the front, the purpose of the roof scoop is merely for looks?

re-read what i said, its for the passenger-area of the car.. to flush out the hot-air inside

Um...no.

i might be wrong then, but another thing is it creates downforce. like a spoiler creates downforce based on airpressure differentials, a scoop (if some do as i said at first and move air into the passenger area, then some that dont are merely for downforce) will force air into its air box and creature a pressure difference that also creates downforce, the same as wings and spoilers.
 

Ryan

Lifer
Oct 31, 2000
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Originally posted by: JLGatsby
People with ricer cars should be imprisoned.

So should people with faulty logic - might as well turn yourself in.
 

Howard

Lifer
Oct 14, 1999
47,982
10
81
Originally posted by: destrekor
Originally posted by: Ryan
Originally posted by: destrekor
Originally posted by: jjyiz28
Originally posted by: DaTT
Some cars have mid-mounted engines and the roof-scoop actually feeds the engine with air.

And what he said:

Originally posted by: destrekor
i know for rally racing it draws air into the vehicle to flush out the hot air, since rally cars get really hot inside from the engine
i assume its the same for a regular ricer car too, unless they aren't functional

so a car that has the engine in the front, the purpose of the roof scoop is merely for looks?

re-read what i said, its for the passenger-area of the car.. to flush out the hot-air inside

Um...no.

i might be wrong then, but another thing is it creates downforce. like a spoiler creates downforce based on airpressure differentials, a scoop (if some do as i said at first and move air into the passenger area, then some that dont are merely for downforce) will force air into its air box and creature a pressure difference that also creates downforce, the same as wings and spoilers.
lol @ u

Surely you can't be serious?
 

Ryan

Lifer
Oct 31, 2000
27,519
2
81
Originally posted by: destrekor
Originally posted by: Ryan
Originally posted by: destrekor
Originally posted by: jjyiz28
Originally posted by: DaTT
Some cars have mid-mounted engines and the roof-scoop actually feeds the engine with air.

And what he said:

Originally posted by: destrekor
i know for rally racing it draws air into the vehicle to flush out the hot air, since rally cars get really hot inside from the engine
i assume its the same for a regular ricer car too, unless they aren't functional

so a car that has the engine in the front, the purpose of the roof scoop is merely for looks?

re-read what i said, its for the passenger-area of the car.. to flush out the hot-air inside

Um...no.

i might be wrong then, but another thing is it creates downforce. like a spoiler creates downforce based on airpressure differentials, a scoop (if some do as i said at first and move air into the passenger area, then some that dont are merely for downforce) will force air into its air box and creature a pressure difference that also creates downforce, the same as wings and spoilers.

You are wrong - that makes no sense.
 

destrekor

Lifer
Nov 18, 2005
28,799
359
126
oh, and i wasn't wrong ryan... not sure about ricers and real street racers or drag racers (at real dragways).... but rally cars use roofscoops and cut into the roof to do both create downforce and move cooler air into the passenger area.
 

destrekor

Lifer
Nov 18, 2005
28,799
359
126
Originally posted by: Howard
Originally posted by: destrekor
Originally posted by: Ryan
Originally posted by: destrekor
Originally posted by: jjyiz28
Originally posted by: DaTT
Some cars have mid-mounted engines and the roof-scoop actually feeds the engine with air.

And what he said:

Originally posted by: destrekor
i know for rally racing it draws air into the vehicle to flush out the hot air, since rally cars get really hot inside from the engine
i assume its the same for a regular ricer car too, unless they aren't functional

so a car that has the engine in the front, the purpose of the roof scoop is merely for looks?

re-read what i said, its for the passenger-area of the car.. to flush out the hot-air inside

Um...no.

i might be wrong then, but another thing is it creates downforce. like a spoiler creates downforce based on airpressure differentials, a scoop (if some do as i said at first and move air into the passenger area, then some that dont are merely for downforce) will force air into its air box and creature a pressure difference that also creates downforce, the same as wings and spoilers.
lol @ u

Surely you can't be serious?

Originally posted by: Ryan
You are wrong - that makes no sense.


ha, both of you must not know the power of google
http://www.up22.com/Aerodynamics.htm (scroll down to the portion about scoops)
http://www.writerguy.com/primitive/body.htm (scroll down to you see item number 1030, the roofscoops follow)

again, im talking for people to NEED the real purposes of roof scoops, most ricers lack the true reasoning to own such a modification. street racers and those who race at dragways might use them for the downforce and air intake though.
 

Ryan

Lifer
Oct 31, 2000
27,519
2
81
Originally posted by: destrekor
Originally posted by: Howard
Originally posted by: destrekor
Originally posted by: Ryan
Originally posted by: destrekor
Originally posted by: jjyiz28
Originally posted by: DaTT
Some cars have mid-mounted engines and the roof-scoop actually feeds the engine with air.

And what he said:

Originally posted by: destrekor
i know for rally racing it draws air into the vehicle to flush out the hot air, since rally cars get really hot inside from the engine
i assume its the same for a regular ricer car too, unless they aren't functional

so a car that has the engine in the front, the purpose of the roof scoop is merely for looks?

re-read what i said, its for the passenger-area of the car.. to flush out the hot-air inside

Um...no.

i might be wrong then, but another thing is it creates downforce. like a spoiler creates downforce based on airpressure differentials, a scoop (if some do as i said at first and move air into the passenger area, then some that dont are merely for downforce) will force air into its air box and creature a pressure difference that also creates downforce, the same as wings and spoilers.
lol @ u

Surely you can't be serious?

Originally posted by: Ryan
You are wrong - that makes no sense.


ha, both of you must not know the power of google
http://www.up22.com/Aerodynamics.htm (scroll down to the portion about scoops)
http://www.writerguy.com/primitive/body.htm (scroll down to you see item number 1030, the roofscoops follow)

again, im talking for people to NEED the real purposes of roof scoops, most ricers lack the true reasoning to own such a modification. street racers and those who race at dragways might use them for the downforce and air intake though.

Any road vehicle that isn't going 100+ MPH on a regular basis has no use for hood scoops, and they're useless at regular speeds.
 

destrekor

Lifer
Nov 18, 2005
28,799
359
126
Originally posted by: Ryan
Originally posted by: destrekor
Originally posted by: Howard
Originally posted by: destrekor
Originally posted by: Ryan
Originally posted by: destrekor
Originally posted by: jjyiz28
Originally posted by: DaTT
Some cars have mid-mounted engines and the roof-scoop actually feeds the engine with air.

And what he said:

Originally posted by: destrekor
i know for rally racing it draws air into the vehicle to flush out the hot air, since rally cars get really hot inside from the engine
i assume its the same for a regular ricer car too, unless they aren't functional

so a car that has the engine in the front, the purpose of the roof scoop is merely for looks?

re-read what i said, its for the passenger-area of the car.. to flush out the hot-air inside

Um...no.

i might be wrong then, but another thing is it creates downforce. like a spoiler creates downforce based on airpressure differentials, a scoop (if some do as i said at first and move air into the passenger area, then some that dont are merely for downforce) will force air into its air box and creature a pressure difference that also creates downforce, the same as wings and spoilers.
lol @ u

Surely you can't be serious?

Originally posted by: Ryan
You are wrong - that makes no sense.


ha, both of you must not know the power of google
http://www.up22.com/Aerodynamics.htm (scroll down to the portion about scoops)
http://www.writerguy.com/primitive/body.htm (scroll down to you see item number 1030, the roofscoops follow)

again, im talking for people to NEED the real purposes of roof scoops, most ricers lack the true reasoning to own such a modification. street racers and those who race at dragways might use them for the downforce and air intake though.

Any road vehicle that isn't going 100+ MPH on a regular basis has no use for hood scoops, and they're useless at regular speeds.
i never said they were for regular road vehicles aka ricers
street racers could use them, more downforce = more traction, could make or break a race
 
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