Cold air intake ideas..
Thread Starter
Melting Slicks
Joined: Jan 2002
Posts: 2,238
Likes: 4
From: Milan
Cold air intake ideas..
Im always searching some real effective way to suck fresh cold air from outside instead of the hot air under the hood.
But all the forced/cold systems seems have some quality problem or not proven results.
so I thought...
Why not cover (seal) the upper side of the lid (where the air is suked from) and open a rectangular hole just under the stock lid.
Then cutting the radiator shroud the air will be suked from the lower side of the stock lid...
It's a so stupid idea? it seems too simple... it's impossible no one tried this way...
-Beppe-
But all the forced/cold systems seems have some quality problem or not proven results.
so I thought...
Why not cover (seal) the upper side of the lid (where the air is suked from) and open a rectangular hole just under the stock lid.
Then cutting the radiator shroud the air will be suked from the lower side of the stock lid...
It's a so stupid idea? it seems too simple... it's impossible no one tried this way...
-Beppe-
Melting Slicks
Joined: May 2000
Posts: 2,029
Likes: 63
Hook a scanner into your car and observe intake air temperature reading. After few seconds of driving the intake temperature equals to outside ambient temperature.
I don't believe any "cold air intake" can find colder air than that. So, at best it gets cool air into the engine few seconds faster but while you are moving it does nothing a open lid setup doesn't already do. So basicly the stock thing works like it is supposed to and in reality there is very little improvement offered by all those kits.
Ram air setup makes more sense IMO.
I don't believe any "cold air intake" can find colder air than that. So, at best it gets cool air into the engine few seconds faster but while you are moving it does nothing a open lid setup doesn't already do. So basicly the stock thing works like it is supposed to and in reality there is very little improvement offered by all those kits.
Ram air setup makes more sense IMO.
Last edited by ToniH; Aug 4, 2005 at 04:32 PM.
Team Owner
Joined: Dec 2000
Posts: 90,675
Likes: 304
From: SE NY
Cruise-In II Veteran
Take a look at Vic'89s mods results and you will see that he got some nice gains from the TPIS ram air.
It is the style where the filter fits over a hole cut into the radiator shroud.
It is the style where the filter fits over a hole cut into the radiator shroud.
Last edited by 65Z01; Aug 4, 2005 at 05:34 PM.
Melting Slicks
Joined: Nov 2002
Posts: 2,471
Likes: 2
From: 1993 Quasar Blue 'vert Scottsdale AZ
Originally Posted by dchildress
I have one of the Ram Air kits I may wish to sell.
Le Mans Master
Joined: Jul 1999
Posts: 8,683
Likes: 6
From: Phoenix AZ
Originally Posted by conv90
Im always searching some real effective way to suck fresh cold air from outside instead of the hot air under the hood.
But all the forced/cold systems seems have some quality problem or not proven results.
so I thought...
Why not cover (seal) the upper side of the lid (where the air is suked from) and open a rectangular hole just under the stock lid.
Then cutting the radiator shroud the air will be suked from the lower side of the stock lid...
It's a so stupid idea? it seems too simple... it's impossible no one tried this way...
-Beppe-
But all the forced/cold systems seems have some quality problem or not proven results.
so I thought...
Why not cover (seal) the upper side of the lid (where the air is suked from) and open a rectangular hole just under the stock lid.
Then cutting the radiator shroud the air will be suked from the lower side of the stock lid...
It's a so stupid idea? it seems too simple... it's impossible no one tried this way...
-Beppe-
I can take a couple pics of mine later tonight to post them up as well.
Thread Starter
Melting Slicks
Joined: Jan 2002
Posts: 2,238
Likes: 4
From: Milan
Originally Posted by Zix
I have pretty much exactly what you are talking about on my car, it used to be availabe through TPIS but they don't have it anymore for the late model year cars...here's a pic from their site;
I can take a couple pics of mine later tonight to post them up as well.
I can take a couple pics of mine later tonight to post them up as well.
..I continue to see it on the online TPIS catalog ...
I knew that this system was available on the market because I seen this on the Raysur web site http://temp.corvetteforum.net/c5/raysur/index2.shtml
My original question is if is possible to do the same mods with the stock plastic piece.
Why not cut under the stock lid , cover it on top and cut the radiator shroud?? It seem so simple...
Why I need to spend $300?
-Beppe-
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Le Mans Master
Joined: Jul 1999
Posts: 8,683
Likes: 6
From: Phoenix AZ
Originally Posted by conv90
You say this kind is discountinued by TPIS??
..I continue to see it on the online TPIS catalog ...
I knew that this system was available on the market because I seen this on the Raysur web site http://temp.corvetteforum.net/c5/raysur/index2.shtml
My original question is if is possible to do the same mods with the stock plastic piece.
Why not cut under the stock lid , cover it on top and cut the radiator shroud?? It seem so simple...
Why I need to spend $300?
-Beppe-
..I continue to see it on the online TPIS catalog ...
I knew that this system was available on the market because I seen this on the Raysur web site http://temp.corvetteforum.net/c5/raysur/index2.shtml
My original question is if is possible to do the same mods with the stock plastic piece.
Why not cut under the stock lid , cover it on top and cut the radiator shroud?? It seem so simple...
Why I need to spend $300?
-Beppe-
It does seem simple, but it would actually take a couple cores and some trial and error to really get it right. I have to clean my air filter anyway in a couple days, if you want I can take some detailed pics of it when it's off the car so you can get a better idea of what it's like.
Melting Slicks
Joined: May 2000
Posts: 2,029
Likes: 63
Originally Posted by conv90
You say this kind is discountinued by TPIS??
My original question is if is possible to do the same mods with the stock plastic piece.
Why not cut under the stock lid , cover it on top and cut the radiator shroud?? It seem so simple...
Why I need to spend $300?
-Beppe-
My original question is if is possible to do the same mods with the stock plastic piece.
Why not cut under the stock lid , cover it on top and cut the radiator shroud?? It seem so simple...
Why I need to spend $300?
-Beppe-
but did you realise that the air filter needs to be on different side in these two systems? Air tube to TB is connected to the bottom half of the stock box ie. the clean side of the air filter box. If you just cover the top in stock box and cut hole in the bottom you effectively delete the air filter and blow your engine in short time. This is why they charge money for the systems. The boxes are designed and manufactured to accept the air filter in such way it works when the air comes from bottom side. And the air tube is again connected to the clean side ie. the top half of the box in this case.
Not very clear explanation but I hope you understand what I mean?
If you want to make your own system, figure out a way to direct ram air to the air filter box using tubing. I've seen some systems in the forum.
Well, the upside down -system you are thinking is also doable but needs more thinking and more advanced manufacturing skills.
Race Director
Joined: May 2003
Posts: 10,749
Likes: 41
Originally Posted by conv90
Im always searching some real effective way to suck fresh cold air from outside instead of the hot air under the hood.
But all the forced/cold systems seems have some quality problem or not proven results.
so I thought...
Why not cover (seal) the upper side of the lid (where the air is suked from) and open a rectangular hole just under the stock lid.
Then cutting the radiator shroud the air will be suked from the lower side of the stock lid...
It's a so stupid idea? it seems too simple... it's impossible no one tried this way...
-Beppe-
But all the forced/cold systems seems have some quality problem or not proven results.
so I thought...
Why not cover (seal) the upper side of the lid (where the air is suked from) and open a rectangular hole just under the stock lid.
Then cutting the radiator shroud the air will be suked from the lower side of the stock lid...
It's a so stupid idea? it seems too simple... it's impossible no one tried this way...
-Beppe-
i am leaning towards the TPIS one, the quality, and the way it works just seems right. and there are a few members who have actually seen upwards of 15chp gains with it.
Thread Starter
Melting Slicks
Joined: Jan 2002
Posts: 2,238
Likes: 4
From: Milan
Originally Posted by ToniH
Note, that the original box takes air from top and the after market systems from the bottom. I know you knew this but did you realise that the air filter needs to be on different side in these two systems? Air tube to TB is connected to the bottom half of the stock box ie. the clean side of the air filter box. If you just cover the top in stock box and cut hole in the bottom you effectively delete the air filter and blow your engine in short time.
This is why they charge money for the systems. The boxes are designed and manufactured to accept the air filter in such way it works when the air comes from bottom side. And the air tube is again connected to the clean side ie. the top half of the box in this case.
Not very clear explanation but I hope you understand what I mean?
If you want to make your own system, figure out a way to direct ram air to the air filter box using tubing. I've seen some systems in the forum.
Well, the upside down -system you are thinking is also doable but needs more thinking and more advanced manufacturing skills.
but did you realise that the air filter needs to be on different side in these two systems? Air tube to TB is connected to the bottom half of the stock box ie. the clean side of the air filter box. If you just cover the top in stock box and cut hole in the bottom you effectively delete the air filter and blow your engine in short time. This is why they charge money for the systems. The boxes are designed and manufactured to accept the air filter in such way it works when the air comes from bottom side. And the air tube is again connected to the clean side ie. the top half of the box in this case.
Not very clear explanation but I hope you understand what I mean?
If you want to make your own system, figure out a way to direct ram air to the air filter box using tubing. I've seen some systems in the forum.
Well, the upside down -system you are thinking is also doable but needs more thinking and more advanced manufacturing skills.
The project in my mind has the filter positioned under the plastic thing, relocating the metal cover under the plastic lid..
I know,.... when i will try to do this, I will see all the difficult that now I can't see
Thread Starter
Melting Slicks
Joined: Jan 2002
Posts: 2,238
Likes: 4
From: Milan
Originally Posted by 88BlackZ-51
i am leaning towards the TPIS one, the quality, and the way it works just seems right. and there are a few members who have actually seen upwards of 15chp gains with it.
....my problems is taht I don't want to spend over $500 for a plastic piece taht is very similar to the original one.
Ciao!
-Beppe-
Melting Slicks
Joined: Jun 2002
Posts: 2,152
Likes: 241
From: Northern VA
I bought the TPIS unit used from a forum member. He was kind enough to include a shroud that had already been cut. He used a piece of PVC pipe for the transition between the fiberglass air box and the rubber air tube. Anyone else have a better application? I am getting ready to install this. How hard is it to get at the screws at the bottom of the shroud?
Pro
Joined: Mar 2005
Posts: 666
Likes: 0
From: Walton KY
Originally Posted by Lichen
If you're talking about the Vortex Ram Air, please don't rip off a fellow forum member with that piece of crap. If some other type of ram air, I apologize.
Race Director
Joined: May 2003
Posts: 10,749
Likes: 41
Originally Posted by conv90
oh Yes! 88BlackZ-51 I agree with you about the quality and the way you can insatall it with minor problems...
....my problems is taht I don't want to spend over $500 for a plastic piece taht is very similar to the original one.
Ciao!
-Beppe-
....my problems is taht I don't want to spend over $500 for a plastic piece taht is very similar to the original one.
Ciao!
-Beppe-
its not anywhere close to $500 i thought
Corvette Cold Air Intake
This air intake reverses the direction of flow and provides cooler, denser air. At elevated speeds a positive pressure will be felt by the engine. Care must be taken in wet weather.
For every 10 degree drop in inlet temperature, approximately 1% more power is produced. On a 90 degree day we saw a 16 degree drop in air temperature at the 1/8 mile mark, in back to back testing.
This product is worth .2 seconds, and 2mph.
that is the quote from TPIS.
umm, for 85-89 it is $249. i think that system looks real good, i forgot you had a 90.
Last edited by 88BlackZ-51; Aug 5, 2005 at 11:05 AM.
Racer
Joined: Mar 1999
Posts: 292
Likes: 0
From: Vienna VA
Originally Posted by 88BlackZ-51
its not anywhere close to $500 i thought
Corvette Cold Air Intake
This air intake reverses the direction of flow and provides cooler, denser air. At elevated speeds a positive pressure will be felt by the engine. Care must be taken in wet weather.
For every 10 degree drop in inlet temperature, approximately 1% more power is produced. On a 90 degree day we saw a 16 degree drop in air temperature at the 1/8 mile mark, in back to back testing.
This product is worth .2 seconds, and 2mph.
that is the quote from TPIS.
umm, for 85-89 it is $249. i think that system looks real good, i forgot you had a 90.
Corvette Cold Air Intake
This air intake reverses the direction of flow and provides cooler, denser air. At elevated speeds a positive pressure will be felt by the engine. Care must be taken in wet weather.
For every 10 degree drop in inlet temperature, approximately 1% more power is produced. On a 90 degree day we saw a 16 degree drop in air temperature at the 1/8 mile mark, in back to back testing.
This product is worth .2 seconds, and 2mph.
that is the quote from TPIS.
umm, for 85-89 it is $249. i think that system looks real good, i forgot you had a 90.
At 20 mph, I saw no difference in the outside temperature vs. intake temperature for the stock setup. Cool air gets up to the filter from the bumper area.
