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Old 10-25-2000, 07:07 PM   #1
Scooby Newbie
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Join Date: Jul 1999
Location: San Ramon CA, USA
Post How bad is water leaking through air filter for engine?

I have K&N cone just below the hood scoop. It rained today and I noticed the filter got soaked a little after driving around for while. If water did get into the engine, does it cause serious problems or the engine just stall without any damage? I thought K&N was semi-water proof...
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Old 10-25-2000, 07:10 PM   #2
nathan power
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could cause vapor lock. witch ould cause bent concting rods. You cant compress a liquid. Get it covered.
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Old 10-25-2000, 09:19 PM   #3
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That would be "hydro-lock" - vaporlock is what my 1983 Mazda GLC would do when the carburator and fuel lines would get hot while delivering pizza in college...

Larry www.ImprezaRS.com
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Old 10-25-2000, 09:22 PM   #4
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Even with our small displacement motors you'd have to suck in a pretty decent amount of water to hydrolock a motor. Most cases of hydrolock occur when people drive through puddles or shallow streams etc. My intake sits under one of the hood vents and has sat there since I put the intake on three months ago. Before I had the intake I was using just the airbox with all of the tubing removed. Still no problems, even with the torrential downpours we've been having in New England earlier on this year.

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Old 10-25-2000, 11:53 PM   #5
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what's vapor-lock, I've heard of it before..

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Old 10-26-2000, 12:07 AM   #6

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Vapor lock is when air would get in the fuel lines and the carb. wouldn't get fuel. This was fixed by fuel injection since the fuel system is under pressure between the main pump and fuel rail at all times.

And no, a bit of water in the intake doesn't hurt. It's like an internal steam cleaning at times... just don't go overboard.
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Old 10-26-2000, 08:07 AM   #7
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yeah- there was a Car Talk discussion about how some techies will actually used an extremely carefully controlled flow of fine mist in the intake to clean the valves etc...
The vapor just does a good job of knocking deposits loose.
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Old 10-27-2000, 06:51 AM   #8
Aaron'z 2.5RS
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Ever herd of water injection. I think Jackson Racing sells a system for water injection.
Like others sed, you need quite a bit of water to creat problems. Like dumping a glass of water down the intake with the engine running. That would do it..!!
Water injection is REALLY a great thing, ESPICALLY for those whom have TURBOS. Not only does water injection "steam clean" the engine internally but it also helps curb detonation, water is a MUCH better conductor of heat than fuel so it helps ti keep thing ALOT cooler.
For the turbo guys, it also allows more boost, due to the detonation curbing capibilty.
I read somewere when doing some reaserch on the subject that in Europe some of the cars running W.I. pushing up to 44bar of boost!!!
Anyway, This is what i've read here and there, i could be talkin out my butt though.

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