Custom cold air intake
+7
bracketchev1221
Keith Seymore
77camino
thatfnthing
Limey SE
McCauley5983
Damon23
11 posters
G3GM :: G3 Tech :: Performance
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Custom cold air intake
by dynchel Mon Feb 06, 2017 8:28 pm
My delema, I'm trying to make cold air set up, but need some suggestions on tubing, the original style is to big.....I need something smaller & oval. Anyone have any suggestions or ideas. Preferably cheap, home depot type stuff....
dynchel- Donating Member
- Street Cred : 40
Re: Custom cold air intake
by Damon23 Mon Feb 06, 2017 9:11 pm
I used dryer vent tubing before. I can't remember the brand but JC Whitney of all places sells that stuff too. It's flexible so it can contour to the oval openings of that breather.
Is that breather stock? I really like those dual snorkel breathers.
Is that breather stock? I really like those dual snorkel breathers.
Damon23- G3GM Member
- Street Cred : 5
Re: Custom cold air intake
by dynchel Mon Feb 06, 2017 9:14 pm
The air cleaner assembly is a '73/'75 corvette piece. They usually sell on eBay for appx $175.00 or so.
dynchel- Donating Member
- Street Cred : 40
Re: Custom cold air intake
by bracketchev1221 Mon Feb 06, 2017 9:14 pm
Start searching drier duct hose.
http://www.homedepot.com/s/drier+vent?NCNI-5
http://www.homedepot.com/s/drier+vent?NCNI-5
bracketchev1221- G3GM Enthusiast
- Street Cred : 16
Re: Custom cold air intake
by dynchel Mon Feb 06, 2017 9:16 pm
What I bought was flexible drain pipe, drier duct is better?bracketchev1221 wrote:Start searching drier duct hose.
http://www.homedepot.com/s/drier+vent?NCNI-5
dynchel- Donating Member
- Street Cred : 40
Re: Custom cold air intake
by bracketchev1221 Mon Feb 06, 2017 9:17 pm
Well drier duct is available aluminized, you can get collapsible metal tubes, there are a lot of options.
bracketchev1221- G3GM Enthusiast
- Street Cred : 16
Re: Custom cold air intake
by dynchel Mon Feb 06, 2017 9:19 pm
OK, thanks. Wednesday morning I'll return the drain pipe & look at dryer duct.bracketchev1221 wrote:Well drier duct is available aluminized, you can get collapsible metal tubes, there are a lot of options.
dynchel- Donating Member
- Street Cred : 40
Re: Custom cold air intake
by dynchel Mon Feb 06, 2017 9:22 pm
I may put the driver side through the fenderwell and under the car, using the scoop Hurst olds under bumper style. Not sure yet
dynchel- Donating Member
- Street Cred : 40
Re: Custom cold air intake
by dynchel Mon Feb 06, 2017 9:31 pm
For the record, the pieces I have are, '73/'75 corvette air cleaner, pass side scoop is a '88/'92 Camaro piece (readily available on eBay, I paid $20.00 shipped). The driver side is a '76 ish Monte Carlo piece. I got that from '73454monte.Damon23 wrote:I used dryer vent tubing before. I can't remember the brand but JC Whitney of all places sells that stuff too. It's flexible so it can contour to the oval openings of that breather.
Is that breather stock? I really like those dual snorkel breathers.
dynchel- Donating Member
- Street Cred : 40
Re: Custom cold air intake
by bracketchev1221 Mon Feb 06, 2017 9:56 pm
Go for the 5" snorkel for it. Then put an open air cleaner that extends into the scoop.
bracketchev1221- G3GM Enthusiast
- Street Cred : 16
Re: Custom cold air intake
by Keith Seymore Tue Feb 07, 2017 10:34 am
I used the flexible air cleaner duct off a "squarebody" chevy pickup (1973 - 1987).
Made my own dual snorkel air cleaner, drilled a hole in the radiator support on either side of the radiator and installed the production truck "birdcage" to attach the forward end of the duct.
If I remember correctly the LH duct was a production piece and the RH duct I fabricated by cutting it in two and piecing it together as needed.
I ran that set up for years and years (and years) with the flat steel and flat fiberglass bolt on hood.
I can take some pics of the actual set up later if you are interested.
K
Made my own dual snorkel air cleaner, drilled a hole in the radiator support on either side of the radiator and installed the production truck "birdcage" to attach the forward end of the duct.
If I remember correctly the LH duct was a production piece and the RH duct I fabricated by cutting it in two and piecing it together as needed.
I ran that set up for years and years (and years) with the flat steel and flat fiberglass bolt on hood.
I can take some pics of the actual set up later if you are interested.
K
Keith Seymore- G3GM Member
- Street Cred : 11
Re: Custom cold air intake
by dynchel Tue Feb 07, 2017 1:08 pm
I'd love to see some pictures Keith. The passenger side is the had one to find
dynchel- Donating Member
- Street Cred : 40
Re: Custom cold air intake
by Limey SE Tue Feb 07, 2017 8:32 pm
Hey Knucklehead like I mentioned on FB I may have one I can Let go Geesh Do I have to beat you in the head to get you to Buy it LMAO
___________________________________________
1977 Chevelle SE x2
One Mild original
one Wild NON original
Anthony
Limey SE- Management
- Street Cred : 98
Re: Custom cold air intake
by dynchel Tue Feb 07, 2017 9:56 pm
Limey SE wrote:Hey Knucklehead like I mentioned on FB I may have one I can Let go Geesh Do I have to beat you in the head to get you to Buy it LMAO
Unfortunately, the factory stuff doesn't fit the pieces I have
dynchel- Donating Member
- Street Cred : 40
Re: Custom cold air intake
by Limey SE Tue Feb 07, 2017 10:59 pm
ooohhhh WHy not I had to stretch that hose to fit my air cleaner
___________________________________________
1977 Chevelle SE x2
One Mild original
one Wild NON original
Anthony
Limey SE- Management
- Street Cred : 98
Re: Custom cold air intake
by dynchel Wed Feb 08, 2017 7:18 am
The snorkels on the corvette air cleaner are smaller by about a inch. The Camaro duct is the same size as the snorkel...The original hose is way too big. I'm heading to home depot this morning to look at dryer duct.Limey SE wrote:ooohhhh WHy not I had to stretch that hose to fit my air cleaner
dynchel- Donating Member
- Street Cred : 40
Re: Custom cold air intake
by Keith Seymore Fri Feb 10, 2017 9:16 am
Ok - I was able to find most of the stuff in storage. These are primarily '81-'87 Chevy pickup parts that have been modified to fit:
Homemade dual snorkel air cleaner. I didn't run an aircleaner lid, but sealed the air cleaner base to the underside of the flat hood for additional volume:
The ductwork is also off a Chevy pickup. The piece shown is intact and carries a GM part number of 14024595. I could not find the other side but recall it was modified by cutting a couple convolutes out and reassembling (so that the convolutes hold the assembled part together):
The portion that goes through the radiator support is called a "birdcage", because it used to have a protective cover to knock down bugs and road debris before they enter the ductwork. The birdcage portion has been removed for airflow and the housing screwed to the radiator support on either side of the radiator. The ductwork snaps over the remaining portion of the birdcage.
I ran this setup on the car for many many years, running 10.50's or so, so I would imagine it will support 600 or 700 HP, and was worth about 2 tenths reduction in ET.
Homemade dual snorkel air cleaner. I didn't run an aircleaner lid, but sealed the air cleaner base to the underside of the flat hood for additional volume:
The ductwork is also off a Chevy pickup. The piece shown is intact and carries a GM part number of 14024595. I could not find the other side but recall it was modified by cutting a couple convolutes out and reassembling (so that the convolutes hold the assembled part together):
The portion that goes through the radiator support is called a "birdcage", because it used to have a protective cover to knock down bugs and road debris before they enter the ductwork. The birdcage portion has been removed for airflow and the housing screwed to the radiator support on either side of the radiator. The ductwork snaps over the remaining portion of the birdcage.
I ran this setup on the car for many many years, running 10.50's or so, so I would imagine it will support 600 or 700 HP, and was worth about 2 tenths reduction in ET.
Keith Seymore- G3GM Member
- Street Cred : 11
Re: Custom cold air intake
by dynchel Fri Feb 10, 2017 9:19 am
That's really slick Keith. Why do you no longer use it?
dynchel- Donating Member
- Street Cred : 40
Re: Custom cold air intake
by Keith Seymore Fri Feb 10, 2017 9:28 am
dynchel wrote:That's really slick Keith. Why do you no longer use it?
I used that with the flat bolt on fiberglass hood (40 lbs).
I went to a cowl hood lift off glass hood (20 lbs), so now I have the hood scoop.
K
Keith Seymore- G3GM Member
- Street Cred : 11
Re: Custom cold air intake
by dynchel Fri Feb 10, 2017 1:22 pm
Keith Seymore wrote:dynchel wrote:That's really slick Keith. Why do you no longer use it?
I used that with the flat bolt on fiberglass hood (40 lbs).
I went to a cowl hood lift off glass hood (20 lbs), so now I have the hood scoop.
K
Thanks for the pictures. Something about where you have those inlets on the core support has me stumped, I'm about 99% sure that my radiator opening is as wide as the grille. Basically if I added scoops there, they would not be in direct line with the grille. I'll have to look when I get home.
dynchel- Donating Member
- Street Cred : 40
Re: Custom cold air intake
by fasrnur Fri Feb 10, 2017 10:46 pm
Your car embodies everything about the grassroots of car guys.
I'd bet there isn't a square inch of your car that hasn't been modified and thoroughly thought out. It's just so damn cool!
I'd bet there isn't a square inch of your car that hasn't been modified and thoroughly thought out. It's just so damn cool!
fasrnur- G3GM Enthusiast
- Street Cred : 9
Re: Custom cold air intake
by McCauley5983 Sun Mar 12, 2017 6:50 pm
I've been seeing a lot of mid 90s pickup air cleaners that come with a good bit of duct work you could pick two up and make a dual snorkel out of both
McCauley5983- G3GM Enthusiast
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Re: Custom cold air intake
by dynchel Sun Mar 12, 2017 7:47 pm
I decided to make my own dual snorkel air cleaner using 2 '87 Monte Carlo pieces sourced from local junkyards.
dynchel- Donating Member
- Street Cred : 40
Re: Custom cold air intake
by Limey SE Sun Mar 12, 2017 7:50 pm
Very Cool John...If winter ever leaves Illinois I will start working on Mine again LOL Great work in the brain area LOL
___________________________________________
1977 Chevelle SE x2
One Mild original
one Wild NON original
Anthony
Limey SE- Management
- Street Cred : 98
Re: Custom cold air intake
by dynchel Sun Mar 12, 2017 8:20 pm
By far the hardest part was finding two matching air cleaners. Mine weren't identical, but but we're supposed to be from '87 Monte Carlos with a 4 bbl. Hell the one yard said it had been in there inventory for over 20 years.Limey SE wrote:Very Cool John...If winter ever leaves Illinois I will start working on Mine again LOL Great work in the brain area LOL
dynchel- Donating Member
- Street Cred : 40
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