functional cowl indution hood
functional cowl indution hood
did a search on cowl induction and seen a lot of nice hoods, found nothing on where it meets the carb. does the carb need to be sealed off from the under hood air? or should it be sealed off? thanks
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From: Central Texas
Car: GTA
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: Aussie 9-bolt/3.27 posi
Re: functional cowl indution hood
NEED to be sealed? No. CAN you seal a carb or TBI to a Cowl Induction hood? Yes.
But a lot of 3rds are TPI, LT1 or LS1 (includes the LQ-series engines) so sealing those engines intakes to a Cowl Induction hood is rather difficult to do. It is possible to do, but the amount of fabrication required to seal those engines to utilize a Cowl Induction hood would require some interesting duct work.
But a lot of 3rds are TPI, LT1 or LS1 (includes the LQ-series engines) so sealing those engines intakes to a Cowl Induction hood is rather difficult to do. It is possible to do, but the amount of fabrication required to seal those engines to utilize a Cowl Induction hood would require some interesting duct work.
Re: functional cowl indution hood
my bad .... to be a little more clear, should it be sealed off from the under hood air. nothing is stock including the engine position... to make a long story short theres a hole in the hood and the air cleaner sticks through the hood, i have a "cowl" covering the air cleaner.... am i making any sense? lol ill try to post some pics if that would help. thanks agian
Re: functional cowl indution hood
As a car punches through the stagnant air at high speed, there are a number of areas that tend to accumulate high-pressure pockets. The front bumper, grille, headlights, windshield and wheel-well are the most common areas.
Since engines make more power with cool outside air than the hot ambient air found in the engine bay, it seems logical to tap these high-pressure pockets to feed air to the engine. In addition to lowering air temperature, increasing the air pressure around an intake artificially crams more air into the engine than the static air could, which is similar to how a supercharger functions.
Cowl induction hoods can help to smooth the airstream passing over a car at speed, but can be more of a detriment to high-speed handling than anything else. If the cowl inductor is not sealed to the intake, the cowl can actually pressurize the engine bay at high speeds. This can lift the front of the car slightly, causing a dangerous understeer condition at speeds over 150 mph.
Read more: Pros and Cons of a Cowl Induction Race Hood | eHow.com http://www.ehow.com/about_5571485_pr...#ixzz1tiuWrd6T
this is what i was looking for. i only see slightly over 100 mph so im not sure what ill do.
Since engines make more power with cool outside air than the hot ambient air found in the engine bay, it seems logical to tap these high-pressure pockets to feed air to the engine. In addition to lowering air temperature, increasing the air pressure around an intake artificially crams more air into the engine than the static air could, which is similar to how a supercharger functions.
Cowl induction hoods can help to smooth the airstream passing over a car at speed, but can be more of a detriment to high-speed handling than anything else. If the cowl inductor is not sealed to the intake, the cowl can actually pressurize the engine bay at high speeds. This can lift the front of the car slightly, causing a dangerous understeer condition at speeds over 150 mph.
Read more: Pros and Cons of a Cowl Induction Race Hood | eHow.com http://www.ehow.com/about_5571485_pr...#ixzz1tiuWrd6T
this is what i was looking for. i only see slightly over 100 mph so im not sure what ill do.
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Joined: Apr 2012
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From: Alabama
Car: 89 Formula
Engine: 305 T.B.I.
Transmission: 5 Speed Manual
Re: functional cowl indution hood
Not sure if I'm understanding your question completely but, You need a half bulge hood,(formula, 82-84 trans am), with the cowl induction assembly and solenoid. you will also need a air cleaner lid with rubber boot from 82-84 trans-am. These are the only 3 years those hoods were functional with a few exceptions.
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Joined: Apr 2012
Posts: 49
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From: Alabama
Car: 89 Formula
Engine: 305 T.B.I.
Transmission: 5 Speed Manual
Re: functional cowl indution hood
I have a functional cowl bulge hood system on my 89 formula. It took alot of hunting around to get all the parts required, but I love it. Any questions, just ask. I'll help any way I can. I also have some parts for that.
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iTrader: (5)
Joined: Mar 2011
Posts: 2,893
Likes: 4
From: Central Texas
Car: GTA
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: Aussie 9-bolt/3.27 posi
Re: functional cowl indution hood
my bad .... to be a little more clear, should it be sealed off from the under hood air. nothing is stock including the engine position... to make a long story short theres a hole in the hood and the air cleaner sticks through the hood, i have a "cowl" covering the air cleaner.... am i making any sense? lol ill try to post some pics if that would help. thanks agian
Here is 1 pic that does what your looking for. Not the picture I was looking for but I'll keep searching for it.
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iTrader: (5)
Joined: Mar 2011
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Likes: 4
From: Central Texas
Car: GTA
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: Aussie 9-bolt/3.27 posi
Re: functional cowl indution hood
Supreme Member
iTrader: (5)
Joined: Mar 2011
Posts: 2,893
Likes: 4
From: Central Texas
Car: GTA
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: Aussie 9-bolt/3.27 posi
Re: functional cowl indution hood
Trying to think of options for you.....
It looks home-fabbed (nothing wrong with that, just means that you can fab so....) could you cut out the middle & replace the cut out section with a piece lower to go under the filter box?
Os use a filter spacer to raise the filter up & a shorter filter, to use a filter box like the one from Summit.
Or just buy the foam to seal to your hood & build your own filter box.
It looks home-fabbed (nothing wrong with that, just means that you can fab so....) could you cut out the middle & replace the cut out section with a piece lower to go under the filter box?
Os use a filter spacer to raise the filter up & a shorter filter, to use a filter box like the one from Summit.
Or just buy the foam to seal to your hood & build your own filter box.
Re: functional cowl indution hood
Trying to think of options for you.....
It looks home-fabbed (nothing wrong with that, just means that you can fab so....) could you cut out the middle & replace the cut out section with a piece lower to go under the filter box?
Os use a filter spacer to raise the filter up & a shorter filter, to use a filter box like the one from Summit.
Or just buy the foam to seal to your hood & build your own filter box.
It looks home-fabbed (nothing wrong with that, just means that you can fab so....) could you cut out the middle & replace the cut out section with a piece lower to go under the filter box?
Os use a filter spacer to raise the filter up & a shorter filter, to use a filter box like the one from Summit.
Or just buy the foam to seal to your hood & build your own filter box.
good ideas, thanks. ill be messing with the car this weekend and see what i come up with
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From: St. Cloud, MN
Car: 1984 Trans Am
Engine: LS1383 in work
Transmission: Magnum F - to be installed
Axle/Gears: Zexel Torsen 3.73, 28-spline mosers
Re: functional cowl indution hood
NEED to be sealed? No. CAN you seal a carb or TBI to a Cowl Induction hood? Yes.
But a lot of 3rds are TPI, LT1 or LS1 (includes the LQ-series engines) so sealing those engines intakes to a Cowl Induction hood is rather difficult to do. It is possible to do, but the amount of fabrication required to seal those engines to utilize a Cowl Induction hood would require some interesting duct work.
But a lot of 3rds are TPI, LT1 or LS1 (includes the LQ-series engines) so sealing those engines intakes to a Cowl Induction hood is rather difficult to do. It is possible to do, but the amount of fabrication required to seal those engines to utilize a Cowl Induction hood would require some interesting duct work.
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