Bitium

Good info: http://www.sportcompactcarweb.com/ar...h01_0401.shtml

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Nate

Running an AEM short ram, water trickles onto the filter from the gap between the hood and the fender!

Fiddler

i had a problem w/ this review when i got the magazine, and i still have it now. I dont think the "testing" they performed is true to road conditions. my #1 beef is that they used a vertical pipe to suck up the water.. of course it wont go as far in a vertical pipe!! I totally agree that this device would save your ass if your filter is completely submerged but I have doubts about minute quantities of water getting sucked up. .just doesnt seem like the pressure difference would be enough to open up the valve

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-Fiddler
ControlGenie Automation Systems
1998 Accord EX V6 Coupe (HomePage)

RAdams

It's not going to prevent you sucking up small amounts of water... the pressure difference would have to be pretty large (read: the filter completely submerged) for the bypass valve to open.

I've checked my filter several times (after driving in rain, washing the car, etc.) and there are small drops of water visible on the filter, but the VAST majority of the surface is completely dry. Drops aren't going to hurt... it's a large volume of water that's going to do the damage, and the bypass valve will prevent just that.

You can test the valve by removing the filter and completely "clogging" the intake pipe with something (I used heavy-mil plastic sheeting). The suction at the filter end of the intake pipe decreased dramatically, the engine didn't stall, and the vacuum sound was apparent at the bypass valve location.... all indicators that the bypass valve opened and worked as designed.

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2000 WDP 3.2TL non-NAV
AEM CAI w/bypass, Comptech header