Is it ok to drive with a filter out the bonnet in moderate raining conditions?
do k&n filters stop water getting in?
is it bad to have bits of water going down the carby?
Anyone know?
Thanks!
Rain & K&n Air Filter Out The Bonnet
Started by
_UCV80_
, Apr 06 2008 02:35 PM
7 replies to this topic
#2
_BCR42Y_
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Posted 06 April 2008 - 05:40 PM
From what I have been told, the oil on the K & N is partly there to prevent water getting through, it came from a pretty reliable source & the person that told me has a K & N sticking thorugh his bonnet on his everyday car, and has had no problems, in saying that he only has the round filter with a chrome top section, having the K & N top section might be a bit different.
#3
_paul09_
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Posted 06 April 2008 - 06:39 PM
My everyday car has a K&N air filter sticking out the bonnet and hasn't had a problem yet.
#4
Tiny
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Posted 06 April 2008 - 06:46 PM
I think if the engine is running it wouldnt be a problem.
Reason i say that is it's like having bodgey water injection.. the water coming in will get atomised and actually help cool the intake charge.
However... Depending on how it all sits... water can trickle into the engine while it's not running and rust the guts out of it... Trust me.. I'm speaking from bitter experience.
I'm not worried if i drive my car in the rain with water coming through the scoop, but i wouldnt EVER leave a "naked" air filter out the bonnet again.
Cheers.
Reason i say that is it's like having bodgey water injection.. the water coming in will get atomised and actually help cool the intake charge.
However... Depending on how it all sits... water can trickle into the engine while it's not running and rust the guts out of it... Trust me.. I'm speaking from bitter experience.
I'm not worried if i drive my car in the rain with water coming through the scoop, but i wouldnt EVER leave a "naked" air filter out the bonnet again.
Cheers.
#5
Heath
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Posted 06 April 2008 - 07:19 PM
Yeah I was also thinking it was like water injection if nothing else but it hadn't occured to me that cars aren't always out of the rain when they are turned off. Good point Tiny.
I think investing in a chrome top to use when the skies look questionable might be a good idea? I've put plastic bags over mate's filters when the car is parked in the rain at their request in the past...
I think investing in a chrome top to use when the skies look questionable might be a good idea? I've put plastic bags over mate's filters when the car is parked in the rain at their request in the past...
Edited by Heath, 06 April 2008 - 07:21 PM.
#6
_paul09_
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Posted 06 April 2008 - 07:30 PM
Heath informed me that I'm thinking of something different to you guys lol sorry. I'll keep my mouth shut until I've learnt more 
#7
Heath
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Posted 06 April 2008 - 07:38 PM
LOL you weren't that far off. Yours just doesn't protrude the bonnet.
#8
gtrboyy
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Posted 06 April 2008 - 08:44 PM
A mate used to have his aircleaner sticking out the bonnet of his SLR when it was a daily,no problems driving in the rain...he just used to cover the filter with a plastic bag when the car was parked outside in the rain while at work.
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