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-   -   DIY: Hot Air Intake for 2003-2008 Toyota Corolla/Vibe and Pontiac Vibe (https://ecomodder.com/forum/showthread.php/diy-hot-air-intake-2003-2008-toyota-corolla-24747.html)

Chris D. 01-26-2013 07:13 PM

DIY: Hot Air Intake for 2003-2008 Toyota Corolla/Vibe and Pontiac Vibe
 
This one was a quicky, but it functions nicely.

I'm using some 4" dia dryer duct tubing.

Pictures are self explanatory.

The bottom half of the airbox that bolts to the chassis is what you want to modify (pre filter)

This is the bottom of the airbox (next THREE pictures)
http://i4.photobucket.com/albums/y10...1-25171518.jpg

http://i4.photobucket.com/albums/y10...1-25171549.jpg

http://i4.photobucket.com/albums/y10...1-25171623.jpg

I cut a hole in the box so that the flex tubing could just be wedged into it.
http://i4.photobucket.com/albums/y10...1-25173047.jpg

http://i4.photobucket.com/albums/y10...1-25173117.jpg

I had to trim a piece off and used that to make sure I cut out enough so i didn't have to fight the tubing too hard to get it into there, but make it tight enough so it stayed in to give it a decent seal..
http://i4.photobucket.com/albums/y10...1-25173205.jpg

http://i4.photobucket.com/albums/y10...1-25173223.jpg

The exhaust manifold is on the backside of the engine which makes this a great setup because the engine blocks direct air and wont loose too it's temp by much when at freeway speeds.

Do you see how the manifold guard has those 2 rectangular holes up top?
http://i4.photobucket.com/albums/y10...1-25174021.jpg

Cut out that center section
http://i4.photobucket.com/albums/y10...1-25174325.jpg

stretch it open a little and just shove your tubing into it.. :thumbup:
http://i4.photobucket.com/albums/y10...1-25174845.jpg

On the same day, the temp reads 23f degrees on the cars temp display, usually the IAT reads within 6 degree's of that, not any more :D
Note the 87f degrees IA (Incoming Air temp)
http://i4.photobucket.com/albums/y10...1-26114211.jpg

function.. :thumbup:
http://i4.photobucket.com/albums/y10...1-25174900.jpg

While driving around, the temp outside would read 12f degree's out since the car wasn't just sitting there idling, I'd see a max of 107f degrees at the moment. While doing 65, I'd so it dip no lower than 85f

For the original air inlet into the airbox, I shoved a rag into it..

That is all..

MTXA 01-26-2013 07:26 PM

Excellent! Did you block off the snorkle port?

plasticuser 01-26-2013 08:01 PM

This is giving me ideas.

I could have a 4" air splitter that draws from two sources: one warm, one cold. A temperature sensor down the intake further, so the air has time to mix better, can get the intake air temperature. A control board could then operate a gate to maintain the intake at an ideal preset temperature.

Are their any advantages to pre-heating the fuel, too?

Chris D. 01-26-2013 08:29 PM

Quote:

Originally Posted by plasticuser (Post 353163)
This is giving me ideas.

I could have a 4" air splitter that draws from two sources: one warm, one cold. A temperature sensor down the intake further, so the air has time to mix better, can get the intake air temperature. A control board could then operate a gate to maintain the intake at an ideal preset temperature.

Are their any advantages to pre-heating the fuel, too?

Not sure about the fuel heating, but I know it works great for diesel setups in the winter..

Once could source an airbox from a late 80's early 90's volvo where it had 2 different ports that one would suck in hot air, the other cold air.
The flapper valve inside the box was vacuum actuated so that if you had to get on it, cold air, cruising, hot air.. :thumbup:

I never looked for one, but I've seen how it operates..

Quote:

Originally Posted by MTXA (Post 353157)
Excellent! Did you block off the snorkle port?

I edited the above.. I shoved a rag into it.. :D

Chris D. 01-28-2013 07:02 PM

Is there an unsafe range for IA temps? It got to 120f today..
I didn't hear any detonation and didn't get on it much..

sheepdog 44 01-28-2013 07:43 PM

can this be used in combination with a grill block?

Chris D. 01-28-2013 07:56 PM

Quote:

Originally Posted by sheepdog 44 (Post 353554)
can this be used in combination with a grill block?

Im using one with it, search for my name, you can see it..

ssnsvibe09 12-09-2013 02:23 PM

I have the 09 Vibe and so far I have taken off the pleneum from the filter box. I am considering the idea of converting to 3 inch open cone filter as soon as i find a technique in a custom mode for the MAF sensor.

American Viking 02-03-2014 11:22 PM

Quote:

Originally Posted by Chris D. (Post 353153)
While driving around, the temp outside would read 12f degree's out since the car wasn't just sitting there idling, I'd see a max of 107f degrees at the moment. While doing 65, I'd so it dip no lower than 85f

For the original air inlet into the airbox, I shoved a rag into it..
That is all..

That's great for the winter.
What are you going to do when the temp outside is in the 80's and the air coming from around the manifold is over 200+?

Didn't the airbox have an intake air temperature blend door??
I can't think of my last vehicle that did not have one.
There was even heat riser blend door on my 79 chevy monza.

Xist 02-04-2014 09:54 AM

Quote:

Originally Posted by American Viking (Post 409874)
That's great for the winter.
What are you going to do when the temp outside is in the 80's and the air coming from around the manifold is over 200+?

Yes, I was thinking that was a great option for some, but not necessarily here in Arizona, where it reaches 300F [Citation needed]


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