roof scoops

sleepermr2 · 03-25-2007, 12:57 PM

looking into getting one, or maybe two. can anyone point me to a site that sells the roof scoops?

Hiighboost2 · 03-25-2007, 02:25 PM

http://www.aerokits.net/MR2/indexmr2.htm

reflexx · 04-06-2007, 02:39 PM

i made my own 2 symmetrical scoops out of fiberglass. took about 2 days. They look and work a lot better since they're real ram air and are blended into the body line instead of looking like some kind of submarine periscope.

-D

5FistsoftheNorthStar · 04-06-2007, 02:56 PM

I know damn well you didn't put f'n flames on the car did you...?

sleepermr2 · 04-06-2007, 03:31 PM

i wish i had the skills to do that.
i cant really tell how those scoops look on that site. anyone else have some pics or a site? doesnt bomex make something?

MochaCaliGirl · 04-09-2007, 05:38 AM

I'm actually thinking of this mod for my 86' but I wonder...does it really make a difference in cooling the engine?

5FistsoftheNorthStar · 04-09-2007, 10:07 AM

Quote:

Originally Posted by MochaCaliGirl

I'm actually thinking of this mod for my 86' but I wonder...does it really make a difference in cooling the engine?

Not really...It just made for more drag on my car. The most efficient air supply your engine will receive is from the bottom of the engine bay and the side vents. Thats prolly why Toyota didn't make scoops in the first place. But I don't think anyone has actually done any temp tests prior and post to this modification.

If you or the O/P gets the scoop, please try and compile something, so that all of us would have a better idea of the functionality and purpose of these. My opinion is that its straight for looks, but with the Tom's scoops on my car made it look like a mouse from the front side view of the car. Gay....!

sleepermr2 · 04-09-2007, 04:03 PM

haha mickey mouse. i was thinking that my car would look the same way cause its black

ZMR2 · 04-09-2007, 04:33 PM

Theres always carbon fiber ones I see on ebay too like those custom ones.

Sang · 04-09-2007, 05:18 PM

Most of the CF replicas you see are very poor fitting. Especially the Raceonusa parts. You'll probably spend more than than whatever you saved on getting them to fit right.

acestro · 04-12-2007, 02:57 AM

now that is kool. If i knew to do that i woundn't be buying these kind of things.

jakobe · 04-12-2007, 08:04 AM

http://www.wickedbodies.net/Acc-90-95-MR2.html

they have the toms style scoops

never bought from them before though..dont know anybody who has..the y look like resellers.

PHOENIX · 04-12-2007, 08:22 AM

Scoops are for asthetics only, there is no proof that they work (course there isn't that they don't work). I have one on my car, and it's for looks, not functionality. In a way, i would think that it would ruin the natural flow of air inside your engine bay since the air is moving upwards.

Lot's of companies sell the replicas, i have had good luck with www.visracing.com. These guys actually make there own replicas and most of the resellers you buy from, get it from these guys, might as well skip the middle man and get it from the source.

I personally think the toms scoop look a little horrid which is why i am going with the bomex scoops. I actually enjoy the look of bomex scoops on an mr2, but you have to get both sides for bomex.

This is mostly opinion, it's your car, you do what you want with it. If i was home, i would sell you my scoops for real cheap.

reflexx - third picture down, please tell me that is still not tape on your car and you forgot to pull it off and painted on it? got any more pictures?

reflexx · 04-18-2007, 10:46 AM

Quote:

I know damn well you didn't put f'n flames on the car did you...?

I just repainted it again with a candy electric blue over black basecoat, with a violet ghost shimmer pearl on top. It's basically a color change blue to purple chameleon, but the chameleon effect is subtle, it's more like a shimmer. No flames this time around.

there are some pix of the blue/purple going on, the effect looks exaggerated/splotchy in the pix because there are no less than 6 light sources in my garage...

look at the bottom of...
http://www.astrocore.com/mr2/

in the sun it should look more like this: http://www.astrocore.com/images/rx7.jpg

Quote:

Scoops are for asthetics only, there is no proof that they work (course there isn't that they don't work). I have one on my car, and it's for looks, not functionality.

Mine really work, the ones you see for sale are like a bent profile that's half an inch wide, no room for any air to flow, no air will ever make it down them. Mine are huge and have a large swept inner profile the whole way in (look at the mesh in the first pic up top, you can visualize the air path), and dump a massive amount of air down the scoops. I didn't make them for putting air in the engine bay, at the bottom of each scoop is going an oil cooler, it's as good as having the oil cooler on the front of the car.

Quote:

reflexx - third picture down, please tell me that is still not tape on your car and you forgot to pull it off and painted on it? got any more pictures?

That was a pic with the masking paper still taped on the car.

5FistsoftheNorthStar · 04-18-2007, 11:49 AM

Excuse the inappropriate question, but are you a girl? Thats pretty amazing...work and dedication into cars that I've seen done by a girl.

reflexx · 04-18-2007, 05:21 PM

no, but my wife is

it started out as her car.... she's done all the bodywork, paint, upholstery, and about 30% of the mechanical work on the car. That's why it started out as purple - she loves purple! But then i didn't want to drive it around like that so we had to both agree on a color that works for us both...

PearlJammzz · 04-18-2007, 05:35 PM

Maybe I am just talking out my ass, but thisi s how it all makes sense for me.

Most of your engine bay cooling come from the side vents, and from under the car, and comes out up top. Now if you have air being pushed into the engine bay on top, the 2 jets of air are going to hit into eachother, causing eddies of sort (water does this, as I think air as well) and so the air ends up staying in there longer, and not just going in, over the components, then out. I know this is how it works in computer cases, and I've had crazy ammounts of work in that dept

.

By this theory, the engine-lid fans would work GREAT, and actually help a lot, but the scoops would actually hinder cooling performance. Now if you were to take the driver's side scoop, and somehow rig it to be part of the air box, or onto a cone filter, then the air would be a true ram-air design and not get all into the engine bay and cause problems. The passenger's side scoop however would serve no purpose but to hinder cooling performance and for looks. If you were to close the scoop off so it didn't let air in, then you'd get rid of the negative.

Just a thought...please correct me if you have any reason why this would not be true.

reflexx · 04-18-2007, 07:13 PM

like i said above i'm not trying to cool the _engine bay_, i have specific fluid radiators positioned at the ends of the scoops, that's what i want air passing over, i don't really care where it goes after that. you dont need to inject air into the engine bay to cool the engine, that's what the radiator/liquid cooling system is for. i don't know about other people but i'm using each air entry (side scoops, top scoops) to stick oil coolers and other junk...

DarkMousy · 04-25-2007, 11:39 PM

That sounds awesome providing that the air leaving each specific fluid radiator had an exit that didn't interfere too much with air leaving the other fluid radiators.

runabout93 · 06-22-2007, 12:37 PM

I think those scoops were intended for cold air into your cold air intakes. Which is so minimal, they are useless. So, really this is a bling add-on to the MR2.

If you are thinking they are for something other than cosmetic, then think again. Here is what is happening to the air coming through these. It is going to pass into the engine bay across the top of the engine lid for a fraction of a second and then the hot air is going to take it right out the top of the engine lid vents.

Which brings me to another point. The real problem is with the engine lid vent... it doesnt allow enough of the hot air to escape. So this causes hot air recirulation around the engine. It's not hard to test this.. just open your engine lid and feel the sudden realease of hot air rush out. That hot air was trapped. So, in conclusion, increasing the amount of air to escape from the engine lid is the best thing you can do. Bigger vents or spal fans is the only way to go. That will allow more cold air from under the car to be foced into the engine bay.

In addtion, very little (if any) air is cooling the engine from the side vents. Those are used for the cold air intake on the driver side and the other side is for cooling the charge (for turbo models). On the na model.. the passenger side vents are probably useless until someone adds something like an oil cooler to it with a spal fan.

The bottom line is... your radiator/cooling system is keeping your engine from burning up. Cold air is a minimal part of it.

03-25-2007, 12:57 PM	#1 (permalink)
sleepermr2 Cage Fighter Join Date: Mar 2007 Posts: 468 Thanks: 6 Thanked 17 Times in 17 Posts iTrader Rating: (2/100% )	roof scoops looking into getting one, or maybe two. can anyone point me to a site that sells the roof scoops?

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03-25-2007, 02:25 PM	#2 (permalink)
Hiighboost2 Wiring fun! Join Date: Feb 2006 Location: Spring/Woodlands Posts: 1,383 Thanks: 10 Thanked 21 Times in 21 Posts My Google Map iTrader Rating: (2/100% )	http://www.aerokits.net/MR2/indexmr2.htm

04-06-2007, 02:39 PM	#3 (permalink)
reflexx Banned Join Date: Aug 2006 Posts: 539 Thanks: 5 Thanked 0 Times in 0 Posts iTrader Rating: (1/100% )	i made my own 2 symmetrical scoops out of fiberglass. took about 2 days. They look and work a lot better since they're real ram air and are blended into the body line instead of looking like some kind of submarine periscope. -D

04-06-2007, 02:56 PM	#4 (permalink)
5FistsoftheNorthStar The Mighty Gen3 Join Date: Jan 2006 Location: Your basement Posts: 1,018 Thanks: 15 Thanked 8 Times in 8 Posts iTrader Rating: (3/100% )	I know damn well you didn't put f'n flames on the car did you...?

04-06-2007, 03:31 PM	#5 (permalink)
sleepermr2 Cage Fighter Join Date: Mar 2007 Posts: 468 Thanks: 6 Thanked 17 Times in 17 Posts iTrader Rating: (2/100% )	i wish i had the skills to do that. i cant really tell how those scoops look on that site. anyone else have some pics or a site? doesnt bomex make something?

04-09-2007, 05:38 AM	#6 (permalink)
MochaCaliGirl No Skills Join Date: Apr 2007 Location: The United States of Texas Posts: 25 Thanks: 0 Thanked 0 Times in 0 Posts iTrader Rating: (0/0% )	I'm actually thinking of this mod for my 86' but I wonder...does it really make a difference in cooling the engine?

04-09-2007, 04:03 PM	#8 (permalink)
sleepermr2 Cage Fighter Join Date: Mar 2007 Posts: 468 Thanks: 6 Thanked 17 Times in 17 Posts iTrader Rating: (2/100% )	haha mickey mouse. i was thinking that my car would look the same way cause its black

04-09-2007, 04:33 PM	#9 (permalink)
ZMR2 Haterizing the people Join Date: Nov 2005 Location: Omaha Posts: 1,224 Thanks: 3 Thanked 1 Time in 1 Post iTrader Rating: (4/100% )	Theres always carbon fiber ones I see on ebay too like those custom ones.

04-09-2007, 05:18 PM	#10 (permalink)
Sang Go Magic! Join Date: Jul 2006 Location: Home: Tampa, FL School: Gainesville, FL Posts: 3,399 Thanks: 19 Thanked 220 Times in 200 Posts iTrader Rating: (5/100% )	Most of the CF replicas you see are very poor fitting. Especially the Raceonusa parts. You'll probably spend more than than whatever you saved on getting them to fit right.

04-12-2007, 02:57 AM	#11 (permalink)
acestro No Skills Join Date: Apr 2007 Posts: 17 Thanks: 0 Thanked 0 Times in 0 Posts My Google Map iTrader Rating: (0/0% )	now that is kool. If i knew to do that i woundn't be buying these kind of things.

04-12-2007, 08:04 AM	#12 (permalink)
jakobe Cert. APR System tech Join Date: Mar 2006 Location: North Ga. Posts: 961 Thanks: 13 Thanked 11 Times in 10 Posts My Google Map iTrader Rating: (0/0% )	http://www.wickedbodies.net/Acc-90-95-MR2.html they have the toms style scoops never bought from them before though..dont know anybody who has..the y look like resellers.

04-12-2007, 08:22 AM	#13 (permalink)
PHOENIX Beams Owners Group Join Date: Mar 2005 Location: On Hiatus....... Posts: 7,914 Thanks: 84 Thanked 260 Times in 197 Posts Blog Entries: 1 My Google Map iTrader Rating: (46/100% )	Scoops are for asthetics only, there is no proof that they work (course there isn't that they don't work). I have one on my car, and it's for looks, not functionality. In a way, i would think that it would ruin the natural flow of air inside your engine bay since the air is moving upwards. Lot's of companies sell the replicas, i have had good luck with www.visracing.com. These guys actually make there own replicas and most of the resellers you buy from, get it from these guys, might as well skip the middle man and get it from the source. I personally think the toms scoop look a little horrid which is why i am going with the bomex scoops. I actually enjoy the look of bomex scoops on an mr2, but you have to get both sides for bomex. This is mostly opinion, it's your car, you do what you want with it. If i was home, i would sell you my scoops for real cheap. reflexx - third picture down, please tell me that is still not tape on your car and you forgot to pull it off and painted on it? got any more pictures?

04-18-2007, 11:49 AM	#15 (permalink)
5FistsoftheNorthStar The Mighty Gen3 Join Date: Jan 2006 Location: Your basement Posts: 1,018 Thanks: 15 Thanked 8 Times in 8 Posts iTrader Rating: (3/100% )	Excuse the inappropriate question, but are you a girl? Thats pretty amazing...work and dedication into cars that I've seen done by a girl.

04-18-2007, 05:21 PM	#16 (permalink)
reflexx Banned Join Date: Aug 2006 Posts: 539 Thanks: 5 Thanked 0 Times in 0 Posts iTrader Rating: (1/100% )	no, but my wife is it started out as her car.... she's done all the bodywork, paint, upholstery, and about 30% of the mechanical work on the car. That's why it started out as purple - she loves purple! But then i didn't want to drive it around like that so we had to both agree on a color that works for us both...

04-18-2007, 05:35 PM	#17 (permalink)
PearlJammzz Cage Fighter Join Date: Feb 2006 Posts: 2,140 Thanks: 9 Thanked 70 Times in 66 Posts My Google Map iTrader Rating: (7/100% )	Maybe I am just talking out my ass, but thisi s how it all makes sense for me. Most of your engine bay cooling come from the side vents, and from under the car, and comes out up top. Now if you have air being pushed into the engine bay on top, the 2 jets of air are going to hit into eachother, causing eddies of sort (water does this, as I think air as well) and so the air ends up staying in there longer, and not just going in, over the components, then out. I know this is how it works in computer cases, and I've had crazy ammounts of work in that dept . By this theory, the engine-lid fans would work GREAT, and actually help a lot, but the scoops would actually hinder cooling performance. Now if you were to take the driver's side scoop, and somehow rig it to be part of the air box, or onto a cone filter, then the air would be a true ram-air design and not get all into the engine bay and cause problems. The passenger's side scoop however would serve no purpose but to hinder cooling performance and for looks. If you were to close the scoop off so it didn't let air in, then you'd get rid of the negative. Just a thought...please correct me if you have any reason why this would not be true.

04-18-2007, 07:13 PM	#18 (permalink)
reflexx Banned Join Date: Aug 2006 Posts: 539 Thanks: 5 Thanked 0 Times in 0 Posts iTrader Rating: (1/100% )	like i said above i'm not trying to cool the _engine bay_, i have specific fluid radiators positioned at the ends of the scoops, that's what i want air passing over, i don't really care where it goes after that. you dont need to inject air into the engine bay to cool the engine, that's what the radiator/liquid cooling system is for. i don't know about other people but i'm using each air entry (side scoops, top scoops) to stick oil coolers and other junk...

04-25-2007, 11:39 PM	#19 (permalink)
DarkMousy Fantasy2 Join Date: Apr 2007 Posts: 79 Thanks: 1 Thanked 3 Times in 3 Posts iTrader Rating: (0/0% )	That sounds awesome providing that the air leaving each specific fluid radiator had an exit that didn't interfere too much with air leaving the other fluid radiators.

06-22-2007, 12:37 PM	#20 (permalink)
runabout93 Cage Fighter Join Date: Jan 2007 Location: Vermont Posts: 359 Thanks: 25 Thanked 27 Times in 9 Posts iTrader Rating: (2/100% )	I think those scoops were intended for cold air into your cold air intakes. Which is so minimal, they are useless. So, really this is a bling add-on to the MR2. If you are thinking they are for something other than cosmetic, then think again. Here is what is happening to the air coming through these. It is going to pass into the engine bay across the top of the engine lid for a fraction of a second and then the hot air is going to take it right out the top of the engine lid vents. Which brings me to another point. The real problem is with the engine lid vent... it doesnt allow enough of the hot air to escape. So this causes hot air recirulation around the engine. It's not hard to test this.. just open your engine lid and feel the sudden realease of hot air rush out. That hot air was trapped. So, in conclusion, increasing the amount of air to escape from the engine lid is the best thing you can do. Bigger vents or spal fans is the only way to go. That will allow more cold air from under the car to be foced into the engine bay. In addtion, very little (if any) air is cooling the engine from the side vents. Those are used for the cold air intake on the driver side and the other side is for cooling the charge (for turbo models). On the na model.. the passenger side vents are probably useless until someone adds something like an oil cooler to it with a spal fan. The bottom line is... your radiator/cooling system is keeping your engine from burning up. Cold air is a minimal part of it.