5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

OSCAI and Water...not a problem.

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Old Feb 28, 2001 | 10:04 AM
  #1  
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Just for those who are scared to have the OSCAI because of a few puddles. Fear not my friends. In vegas, when it rains, it pours. Well, it rained this week. Monday and today. Monday was pouring, but no large puddles. Today, it was sprinkling, but, puddles EVERYWHERE. Decided to drive my car through a few of them, guess what...my car still starts. My OSCAI piping is the lower than my y-pipe (i'll get a picture soon) and is facing forward. I actually cut a small hole from the lower engine cover and angled the metal dryer duct to act as a ram air...works fine, feels stronger than before at highway speeds (70mph+). I guarentee i got plenty of water in that badboy.

A few drops of water on your air filter isn't going to be a problem. The problem lies when the water gets passed the TB into the intake manifold, that's when you start worrying. Of course, the Mass sensor might malfunction if it gets wet.

either way, the OSCAI is ok, even if it gets soaked. Just don't have the front end of the car submerged.
Old Feb 28, 2001 | 11:32 AM
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I have some rainy days and I've seen no infilration of water yet. So far... so good. I would like to see your pictures.
Old Feb 28, 2001 | 03:19 PM
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From: City of the Fallen Angel, CA
Originally posted by SCCA Solo2

Just don't have the front end of the car submerged.
Or at least, not submerged above the upper air inlet.

(OOPS! SORRY SCCA Solo2. I removed your bold print. )
Old Feb 28, 2001 | 05:20 PM
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hehehe....if your upper air scoop is submerged, you have bigger problems....
Old Feb 28, 2001 | 09:55 PM
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Originally posted by UMD_MaxSE
hehehe....if your upper air scoop is submerged, you have bigger problems....
<b>Precisely!</b> (Bold print . . . that's better! )
Old Feb 28, 2001 | 10:13 PM
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Also.. like I've posted before.. if water STILL frightens you... AEM has a bypass valve thingy you can work into you oscai. OSCAI POWER!
Old Feb 28, 2001 | 10:33 PM
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From: City of the Fallen Angel, CA
Originally posted by punkdork
Also.. like I've posted before.. if water STILL frightens you... AEM has a bypass valve thingy you can work into you oscai. OSCAI POWER!
Yeah! Yeah! Here's an idea. Stuff an old T-shirt into the upper air inlet opening and install an AEM bypass valve. That'll work!
Old Mar 1, 2001 | 05:07 AM
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Originally posted by punkdork
Also.. like I've posted before.. if water STILL frightens you... AEM has a bypass valve thingy you can work into you oscai. OSCAI POWER!
AEM bypass is pretty much just like the air scoop you have already....
Old Mar 1, 2001 | 06:34 AM
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Originally posted by UMD_MaxSE
Originally posted by punkdork
Also.. like I've posted before.. if water STILL frightens you... AEM has a bypass valve thingy you can work into you oscai. OSCAI POWER!
AEM bypass is pretty much just like the air scoop you have already....
I totally agree... some people are just still afraid of water so I thought I'd offfer them that solution.
Old Mar 1, 2001 | 08:12 AM
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From: City of the Fallen Angel, CA
Originally posted by punkdork
Originally posted by UMD_MaxSE
Originally posted by punkdork
Also.. like I've posted before.. if water STILL frightens you... AEM has a bypass valve thingy you can work into you oscai. OSCAI POWER!
AEM bypass is pretty much just like the air scoop you have already....
I totally agree... some people are just still afraid of water so I thought I'd offfer them that solution.
Fair enough, punkdork. One can't be too careful, I suppose. Nevertheless, I can only wonder how many more times the point will have to be made that <b>WATER IS HEAVIER THAN AIR</b> and that it's just not possible for the engine to ingest water via the OSCAI provided the upper air inlet is functioning properly.

I've got an idea. For those who simply <b>MUST</b> throw their money away, please deposit the amount you would pay for the AEM bypass valve into my Paypal account and I'll light a candle for you. That's a pretty small price to pay for a little peace of mind, wouldn't you agree?

But wait! I have an even better idea. How about I set up a group buy for those who want to make an AEM bypass valve contribution to my Paypal account? I'll offer <b>50% off</b> of AEM's normal list price for their contributions. If I can get 10 people to commit to contributing to my Paypal account, I'll throw a Duraflame log into the fireplace in their honor. That'll make them sleep better at night.



[Edited by y2kse on 03-01-2001 at 10:26 AM]
Old Mar 1, 2001 | 08:22 AM
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How much suction do our engines have anyway... I'd assume it'd take quite a lot of pressure to suck water up a 1'-2' through 3"-4" tube (not 100% airtight I might add into the engine. This of course assuming you have plugged your scoop with god knows what.
Old Mar 1, 2001 | 08:57 AM
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From: City of the Fallen Angel, CA
Originally posted by punkdork
How much suction do our engines have anyway... I'd assume it'd take quite a lot of pressure to suck water up a 1'-2' through 3"-4" tube (not 100% airtight I might add into the engine. This of course assuming you have plugged your scoop with god knows what.
If your scoop is plugged with god knows what, your intake WILL generate sufficient negative pressure to ingest water from the OSCAI all the way into the engine. This assumes, of course, that the OSCAI is submerged at the same time god has chosen to plug your scoop. At that point, you're screwed! On the other hand, I'd guess the odds of having god simultaneously plug your scoop AND submerge your OSCAI to be about the same as having god hit your engine with a meteorite.



If you're ever concerned about the proper functioning of the scoop, simply start your engine and put your hand over the OSCAI air inlet. If the engine doesn't stall out, then the scoop is working properly.




[Edited by y2kse on 03-01-2001 at 11:03 AM]
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