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Humidity and CAI? #366407 Jan 5, 6:47pm Jan 5, 6:47pm
Joined: Dec 2004
Posts: 40
MS
SilverWolf OP
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2000 Toyota Celica GT
SilverWolf OP

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MS
Humidity and CAI?
Would high humidity affect a Cold Air Intake at all?

Re: Humidity and CAI? [Re: SilverWolf] #366408 Jan 5, 8:34pm Jan 5, 8:34pm
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West Chester, Ohio
2002 Liquid Silver Metall Toyota Celica GT SLVCELI
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West Chester, Ohio
If it it really hot out your CAI will not work nearly as good. On hot days my cars acceleration use to suck compared to when it was colder out.


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Re: Humidity and CAI? [Re: SLVCELI] #366409 Jan 5, 9:28pm Jan 5, 9:28pm
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San Diego, CA
Sancho
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Sancho

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Cold dense air is the best. Hot air sucks! thumbsdown


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Re: Humidity and CAI? [Re: Sancho] #366410 Jan 6, 12:06am Jan 6, 12:06am
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Tampa, Florida
Polykarb
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Polykarb

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yeah my CAI screams when it's colder out.


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Re: Humidity and CAI? [Re: Polykarb] #366411 Jan 6, 8:18am Jan 6, 8:18am
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Pittsburgh, PA
celicadragon
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celicadragon

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it will def affect it adversely


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Re: Humidity and CAI? [Re: celicadragon] #366412 Jan 6, 8:31am Jan 6, 8:31am
Joined: Aug 2003
Posts: 6,372
New Orleans, LA
Speed4TheNeed
Caleb
2000 Toyota Celica
Speed4TheNeed

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New Orleans, LA
humidity does affect peformance--INDIRECTLY.

the only real thing that matters is whether or not the air is hot or cold.

hot air has the ability to hold more moisture, thats all. cold air holds very little moisture and sometimes none at all. just because air is hot though doesnt mean it has to be humid..there has to be a water source present for the air to 'suck' up that moisture (sorry if this is confusing).

like i said though..the only thing that matters is whether the air is hot or cold. to go a bit further in details..it's only OXYGEN that really makes a difference. the more oxygen you can stuff into your engine the better it performs because it will mix with more fuel to make more power.

hopefully this can explain what im talking about: basically..hot air is bigger (if you heat air, it expands and the molecules are spaced further apart). cold air is dense (if you cool air, the molecules cluster closer together). air is made up of about 18% oxygen. that means for every 100 molecules of miscellaneous air molecules, 18 of those molecules will be 02.

now, think about your Intake manifold (Intake). it has a fixed volume--it only has so much space that air can be transferred to the engine in, no more, no less. so obviously if the air is colder it is therefore denser and therefore more air can fit into your Intake which therefore means more oxygen gets into your Intake which therefore means you can burn more fuel which then makes more power. the opposite is true of hotter air (hot air means 'bigger air' which means less can fit into your Intake which means less oxygen gets into your Intake which means less fuel is burnt which means less power)

ah, i'm gonna shutup now. i'm sure i confused enough people with that but i hope you got what i was talking about thumbsup

Re: Humidity and CAI? [Re: Speed4TheNeed] #366413 Jan 6, 3:43pm Jan 6, 3:43pm
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SilverWolf OP
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yes. thanks. i guess i'll consider a CAI now. wasnt sure if the moisture of the air would be sucked in or not.


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Re: Humidity and CAI? [Re: SilverWolf] #366414 Jan 7, 1:31pm Jan 7, 1:31pm
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Pittsburgh, PA
celicadragon
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celicadragon

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should be fine


respect the gt-s
Re: Humidity and CAI? [Re: celicadragon] #366415 Jan 8, 12:24pm Jan 8, 12:24pm
Joined: Aug 2003
Posts: 6,372
New Orleans, LA
Speed4TheNeed
Caleb
2000 Toyota Celica
Speed4TheNeed

Caleb
2000 Toyota Celica

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New Orleans, LA
^^ yes, the moisture will be sucked in...but humidity is humidity no matter where you put your Intake. just because you have a CAI doesn't mean NOW you will be sucking in the moisture--even with a shortram or stock setup you'll still be sucking in the humidity.

BUT..good thing it doesn't matter wink thumbsup just keep away from deep puddles and obviously flooding.

Re: Humidity and CAI? [Re: Speed4TheNeed] #366416 Jan 8, 5:19pm Jan 8, 5:19pm
Joined: Mar 2003
Posts: 299
Daytona Beach
DaytonaCelica1
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2002 Toyota Celica GT
DaytonaCelica1

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Daytona Beach
after i put the CAI in my GT i started to notice that the perfect temp was right around 73*f, now that i put my new exhaust system on there seems to be a wider range that i get great acceleration.

Re: Humidity and CAI? [Re: DaytonaCelica1] #366417 Jan 8, 10:39pm Jan 8, 10:39pm
Joined: Aug 2003
Posts: 6,372
New Orleans, LA
Speed4TheNeed
Caleb
2000 Toyota Celica
Speed4TheNeed

Caleb
2000 Toyota Celica

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New Orleans, LA
generally speaking, the colder the better, the drier the better

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