4g63 cold air intake done right !!!!

Talesin · 06-24-2006, 10:30 PM

Well, if the turbine was hot enough, I'd buy that. One drop of cold water on a hot glass/ceramic plate, and it'll shatter into a thousand pieces. Metal's a bit more resistant, but turbos get extremely hot.. and if the metal is old and brittle after being heat cycled so many times...

Also, with how much vacuum our cars produce, it'd take less than a half-second to fill the entire intake tract, and cylinders with water if the intake was totally submerged. You don't need that much to kill the engine.. just a few drops. Less than a thimbleful. Remember, water doesn't compress, so that volume in the cylinder is lost, artificially raising your compression to a ridiculously high number... and pop.

20 in/Hg is enough to shoot a column of water 40 feet into the air. Just a bit of trivia.

flacopower · 06-24-2006, 10:45 PM

Quote:

Originally Posted by Talesin

20 in/Hg is enough to shoot a column of water 40 feet into the air. Just a bit of trivia.

scary.. kinda makes me wanna reverse this mod..

flacopower · 06-24-2006, 10:57 PM

hey jaraxle i just took another look at your engine bay.. are your pipes covered in cool tape??

Jaraxle · 06-25-2006, 09:12 AM

You bet. All cold pipes after turbo are thermal taped to keep heat out. All hot pipes to CAT are thermal wrapped to keep heat IN. All go, no show.

As far as water hitting the compressor wheel.
Yes. Water hitting the compressor wheel could shatter or chip it.
I've wondered about this with my water injection. When the BOV does its thing, water + air is going back into my compressor. Hopefully it is always vaporized or fine enough not to matter. As for water coming in the air filter. Your going to REALLY have to dunk that sucker and drench it to get water coming up the pipes to the maf. Then you may get water droplets on your MAF, which will make the car run like crap, until it dries off.
The MAF works by temperature don't forget. Water changes the measured temperature, and the computer thinks a TON of air is coming in.

-Jaraxle

flacopower · 06-25-2006, 09:44 AM

Quote:

Originally Posted by Jaraxle

You bet. All cold pipes after turbo are thermal taped to keep heat out. All hot pipes to CAT are thermal wrapped to keep heat IN. All go, no show.

-Jaraxle

hey so how do you like the cool tape + exhaust wrap? is it worth the money?

Jaraxle · 06-25-2006, 12:35 PM

I'd say yes. I can't give you a measured result of what it did for me. As the car was being built, I kinda did everything at once. In other words - I wrapped the pipes BEFORE I installed them for the first time.
From a performance stand-point, it is a cheap thing to do, and it is the right thing to do.
From a HP stand point.... logically it has to help. I ordered both rolls from summit racing. I'd say it was around 40 bucks, which is around the same price as this cold air intake mod. Between the two, I KNOW it makes a difference. Not much investment,

-Jaraxle

90blacktsiawd · 06-25-2006, 03:40 PM

Quote:

Originally Posted by staticbrainwash

But consider how much piping water would have to travel through to get to a gm-mas in blowthru configuration, it still just don't seem like that big of a worry.

Speaking from experience water can get all the way up to the GM mas in a blowthrough set up.

staticbrainwash · 06-25-2006, 03:51 PM

How is that possible? Yes compressed flowing air will carry water farther, BUT how did you get enough water on the filter to soak the filter and then have it bleed through into the intake system?

90blacktsiawd · 06-25-2006, 04:41 PM

A freak thunderstorm where i could literally only see 5 feet in front of my car.

staticbrainwash · 06-25-2006, 04:47 PM

Hah, touche! That would definitely do it.

90blacktsiawd · 06-25-2006, 04:50 PM

Not something i would have kept the extension on if i knew it was coming.

Byrd · 06-25-2006, 07:27 PM

Looks familiar - instead it's just one trip to Home Depot

olmytsi · 06-25-2006, 07:39 PM

I also sucked water in and my filter is at the stock location. It moslty stayed in the intercooler but when i floored it, it would cut out. I took the fmic and piping out the next day and i had ALOT of water in it. Thank god my mas was in blow thru, otherwise, i would have probably gotten stuck.

Conclusion, be very careful when doing this type of mod.

flacopower · 06-26-2006, 05:35 AM

gonna have my custom sheet metal air box done today if it ever stops pouring down rain..

90blacktsiawd · 06-26-2006, 06:01 AM

Where are you putting this box? A few people have recomended to me to build a box around it down in the fender well but i feel that doing so would take away some of the gains. Yes it would still be cooler air than being in the engine bay but you'd lose all the fresh cool air being rammed right into it.

flacopower · 06-26-2006, 06:07 AM

well i am going to build a box underneath and to one side so that no splash can hit it, and one on side i have the bumper covering it, behind it i have the fender lining.. if i submerge it in a big puddle i am still gonna be SOL..

daren_p · 06-26-2006, 07:48 AM

I took a different approach when building my CAI. First off I built a heat shield around my cone filter. Next I have a short route FMIC setup so the hole when the stock IC pipeing goes is empty. I bought a section of the spectre 3" flex intake duct & installed the ducting from this hole & then directed it to the opening where the SMIC used to get is supply air from. This way I still get a nice and cool air supply but don't have to worry about water getting sucked into the intake. The heat shield can be seen in my gallery but didn't take any pics of the flex section.

flacopower · 06-26-2006, 10:16 AM

ok guys. it stopped raining, and the soccer game is over so now i am going to go outside and get this project started.. i bought some 30 gauge metal piping, and its been flattening out all morning.. i will check back in a few.

flacopower · 06-26-2006, 08:56 PM

well it was a lot more of a PITA than i had originally imagined.. it was really cheap chimney pipe, and it bent so easy that it was impossible to get a straight line cut with my tin snips.. when i get pics up you will see the box covers the filter in every direction execpt straight ahead.. and when it rains i am just going to put the little cover thing on the bumper.. kinda hard to explain i will have pics up tomorrow..

boostedinaz · 06-26-2006, 09:47 PM

Here is my true cold air intake. I have been a few light showers and had no problem. I live in AZ so rainy days are few and far between, but I am honestly not worried unless there is a huge down pour.

UofACATS · 06-26-2006, 10:27 PM

Nice work there. I've been running my CAI for some time now, and I recommend it to anyone who asks. Been through one heavy rain, no problems.

Its 4.5" aluminum.

Got the filter from SBR.

On the Hack Job: It was cut randomly for air to reach the filter in it's "normal" position, being covered of course. Now it's just ugly

flacopower · 06-27-2006, 05:55 PM

ok down with my airbox.. didn't turn out as good as i wanted too because since i had to relocate the coolant overflow bootle there was a big problem with space, and getting stuff to fit. i will take some pics and upload them tomorrow.

90blacktsiawd · 07-05-2006, 05:50 PM

Hey, where are these pics?

Splitpi · 07-06-2006, 02:33 PM

Are you really gaining much by having a CAI on a turbo car? The turbo is going to heat it up substantially anyways.

boostedinaz · 07-06-2006, 02:51 PM

Quote:

Originally Posted by Splitpi

Are you really gaining much by having a CAI on a turbo car? The turbo is going to heat it up substantially anyways.

There is a bit fo a debate on this.

There are threads that you can find that show a few counts of knock and a CAI was put on and they dropped to nothing.

IMO yes the turbo will heat up the air, but if the air is starting of cooler then it will only be raised so far. Now the only way to really test this is with a real world tempurature check before and after a CAI. Either way I think mine looks cool so it will stay on.

D_Eclipse9916 · 07-06-2006, 03:40 PM

Quote:

Originally Posted by staticbrainwash

But consider how much piping water would have to travel through to get to a gm-mas in blowthru configuration, it still just don't seem like that big of a worry.

Apparently you still dont have a gm MAF setup, with it in the stock location, if we have very heavy rains youw ill notice the car act a little strange for a day. I plunged through a puddle and my maf was soaked. Ducting is a good compromise...

90blacktsiawd · 07-06-2006, 05:59 PM

Quote:

Originally Posted by Splitpi

Are you really gaining much by having a CAI on a turbo car? The turbo is going to heat it up substantially anyways.

I can't answer that question as i use a gm mas so the iat and barometer signals are locked. But i can tell you that i picked up and extra lb. of air per minute by adding an extension to my intake pipe to put the filter down in the stock sidemount spot . Now wether this was from colder air or air being rammed into the filter at 60 mph i can't say.

D_Eclipse9916 even with it in a blow through setup you can still get water up there. It just happened again yesterday. I left my house and it was just barely drizzling. Within 2 minutes of leaving home it was pouring. I only live 10 minutes from work and i certianly wasn't ripping into work. I stayed out of boost as much as i could. But i still got water into the intercooler. I had to pull it and drain it at work before i could drive home. I'm no longer leaving it on for daily driving. It's not worth the hassle if i forget to take it off.

RedTurboEclipse · 07-06-2006, 07:09 PM

EBAY sells those cheap 2g mas filter adapters WITH a filter for really cheap, then just purchase some pipe and clamps at homedepot and should be good to go. no?

allgripnoslip · 07-06-2006, 08:54 PM

that would work, its exactly what I am going to do, I just have to build a cold air box to surround the filter so that if I do splash through a puddle it will be protected and the only airflow it gets its through the far passenger vent on a 97 talon bumper.

boostedinaz · 07-06-2006, 10:01 PM

Quote:

Originally Posted by D_Eclipse9916

Apparently you still dont have a gm MAF setup, with it in the stock location, if we have very heavy rains youw ill notice the car act a little strange for a day. I plunged through a puddle and my maf was soaked. Ducting is a good compromise...

It rained like a bitch here the other day and the car ran just as it does any other day. Perhaps differnet sensors react differently.