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Cold air intakes and water

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Old Feb 11, 2007 | 10:02 PM
  #1  
preludetospeed's Avatar
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From: Lexington, Ky, USA
Default Cold air intakes and water

Now I have had a cold air intake that sucked water up in the engine and have seen others in the shop i work at do the same thing are the filters at mid-point a fix? Is it almost guaranteed not to happen if you have one? just wanted to know before I bought another because H22s are allot more expensive then the D16 I blew up with the water
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Old Feb 11, 2007 | 10:10 PM
  #2  
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Default Re: Cold air intakes and water (preludetospeed)

bypass valve, yeah they work well i have one but i dont use it ne more im back to sai instead cai
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Old Feb 11, 2007 | 10:33 PM
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Default Re: Cold air intakes and water (M2B4)

I would rather stick with a sri instead of that cai just for that reason. I'd rather not take any chances of that happening. But from what I heard the bypass valve helps. how much tho I don't know.
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Old Feb 11, 2007 | 10:48 PM
  #4  
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Default Re: Cold air intakes and water (ricoMugenlude97)

i think aem guarentees their bv's. there's a clip w/ the dude who designed it who tested it on his own nsx. i believe it's on the site as well. too lazy to check
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Old Feb 11, 2007 | 10:55 PM
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if ur dumb enuogh to drive into a flood 1ft high then it your fault, even a by pass wont help u then. but if ur afraid somehow water can get sucked up , then get it.
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Old Feb 12, 2007 | 03:50 AM
  #6  
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Default Re: (kdt3)

the filter has to be completely submerged in order for the bypass valve to work.
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Old Feb 12, 2007 | 03:52 AM
  #7  
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Default Re: (98vtec)

i'll stick with my sri =]
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Old Feb 12, 2007 | 10:03 AM
  #8  
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Default Re: (_BB6)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by _BB6 &raquo;</TD></TR><TR><TD CLASS="quote">i'll stick with my sri =]</TD></TR></TABLE>
X2

No worries here about hydro-lock.
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Old Feb 12, 2007 | 10:24 AM
  #9  
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Default Re: (smo0th)

i didnt notice any difference from when i went from cold to short, and im just to lazy to connect the pipe lol plug im gettin flowstack here soon and filters gunna be to big.
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Old Feb 12, 2007 | 10:39 AM
  #10  
BlownH23a
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i got caught in a rain storm up here in oregon, and i have a cai.. i just pulled over and took the cai part and just drove with half of it in..took 5 mins to do, just do that!
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Old Feb 12, 2007 | 10:48 AM
  #11  
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Default Re: Cold air intakes and water (preludetospeed)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by preludetospeed &raquo;</TD></TR><TR><TD CLASS="quote">Now I have had a cold air intake that sucked water up in the engine</TD></TR></TABLE>

if you got water that deep in your area and you cant avoid the puddles...spend the 5o bones and save yourself a headache...
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Old Feb 12, 2007 | 05:12 PM
  #12  
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Default Re: Cold air intakes and water (4WSi_guy)

Yeah if i would have only know at the time but live and learn. Maybe i will just go with a SRI but i guess i would always keep the cold air part if it looks like good weather. thanks
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Old Feb 12, 2007 | 05:18 PM
  #13  
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Default Re: Cold air intakes and water (preludetospeed)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ricoMugenlude97 &raquo;</TD></TR><TR><TD CLASS="quote">I would rather stick with a sri instead of that cai just for that reason.</TD></TR></TABLE>
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Old Feb 12, 2007 | 05:45 PM
  #14  
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Default Re: Cold air intakes and water (ap)

i have yet to see enough evidence to support that cai is better than sri. i have "heard" that you get better throttle response with the sri and better top end with the cai but i haven't seen much difference between the two. whatever, an intake is an intake. metal pipe + filter = intake. no need for rocket science.
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Old Feb 12, 2007 | 06:28 PM
  #15  
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Default Re: Cold air intakes and water (_BB6)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by _BB6 &raquo;</TD></TR><TR><TD CLASS="quote">i have yet to see enough evidence to support that cai is better than sri. i have "heard" that you get better throttle response with the sri and better top end with the cai but i haven't seen much difference between the two. whatever, an intake is an intake. metal pipe + filter = intake. no need for rocket science. </TD></TR></TABLE>

Its a damn tube with a filter...dont give me all that R and D bull, you only get a few more horses for a namebrand....if that much unless you are seriously tuning.

BTW I have had a CAI in Florida for 6 years now without a BV, ive driven through 2 hurricanes and I have yet to flood my engine...all you have to do is drive smart, but yeah I dont see any problem with a SRI, its just a damn tube.
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Old Feb 12, 2007 | 06:30 PM
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Default Re: Cold air intakes and water (FerioEG)

intake resonance.
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Old Feb 12, 2007 | 06:39 PM
  #17  
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Default Re: Cold air intakes and water (FerioEG)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by _BB6 &raquo;</TD></TR><TR><TD CLASS="quote">i have yet to see enough evidence to support that cai is better than sri. i have "heard" that you get better throttle response with the sri and better top end with the cai but i haven't seen much difference between the two. whatever, an intake is an intake. metal pipe + filter = intake. no need for rocket science. </TD></TR></TABLE>

I was wondering the same thing and have been doing some research and came across this awsome thread. Literally everything covered about intake tech.

http://www.geocities.com/teamp....html

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">However, does a CAI make more power than a short ram with the same diameter and filter material? For folks with single stage runner intake manifolds and mega cams that can rev up to 9000 rpm or more, the AEM/Injen- style CAI actually stops making more power after 8000-8300 rpm . The gain in power for AEM that is quoted in the ads occur at the famous "AEM hump" and not in the upper rpms after 7000 rpm.

When the diameters of the intakes are identical, there is virtually no difference between the 2 intakes after 5700 rpm to the redline. The CAI is superior only at the infamous hump.

Some pro-short ram people would say that bigger cams would really show how good a short ram is at rpms above 6500 rpm instead of ITR cams.

For now, Steven Sakai's performance at the 2000 final and Val's dyno (the only one comparing the same diameter) basically says there is no difference as long as you get the diameter right.

It makes sense : a bigger diameter tube allows more air to go in but at a slower speed. The air flow speed needed to make peak volumetric efficiency occurs at a higher rpm compared to a smaller diameter tube.

A longer tube creates faster air flow compared to a short tube and peak volumetric efficiency will occur at an earlier or lower rpm. This is why a longer CAI has an advantage in the midrange over a short ram, regardless of intake temperature differences.

Some people prefer short rams and need their powerband to be higher with bigger cams. They get around the temperature problem by building their own short ram heat shield.

</TD></TR></TABLE>

Also somewhere in there that the bypass valve cause 2-3hp loss through the entire powerband. Anyway I am quite happy with my SRI and cold NY weather.

But I highly suggest checking out that thread, very informative.
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Old Feb 12, 2007 | 07:03 PM
  #18  
BlownH23a
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CAI or SRI = CAI sounds EVIL at high rpms...takes cooler air from outside engine bay

SRI = drink hot air from the headers..doesnt sound so cool.
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Old Feb 12, 2007 | 07:25 PM
  #19  
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Default Re: (BlownH23a)

I think my SRI sounds pretty damn sick, I still need to cop a BPI flow stack
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Old Feb 12, 2007 | 10:22 PM
  #20  
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Default Re: (GraphiteMW)

winter is almost over so less rains i dont know about other states but here in sacramento CA raning raining pretty good but i still drive around with a CAI just dont floor it when u go through a pudle
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Old Feb 12, 2007 | 11:19 PM
  #21  
BlownH23a
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Default Re: (GraphiteMW)

now install a cai and listen do it..windows down!


and from inside windows UP
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Old Feb 13, 2007 | 12:10 AM
  #22  
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if you hit a puddle and the filter goes under, the engine stalls before any rods are bent. as long as you dont try to restart the car youll be aight. just take out the plugs and crank it, then let it sit by the side of the road and dry up.

ive had a cai for 6 years, no problems...when im about to hit a puddle that big i just shut off the engine and coast through
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Old Feb 13, 2007 | 03:55 AM
  #23  
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Default Re: (TheWalrus)

It doesn’t just stall all the time I wasn’t more then idling when the rod in my engine bent and it wouldn’t crank because I tried taking the plugs out before I call the wrecker.
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Old Feb 13, 2007 | 08:50 AM
  #24  
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You need a bypass valve!
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