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Grey panels under bonnet airvents

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Old Oct 6, 2009 | 09:59 AM
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Default Grey panels under bonnet airvents

I see that these are removable, is there any benefit to removing them ie: cooling, colder air going into the K&N filter i have on mine.

Or do you need to have these on all the time to stop water getting in to the engine bay?

Any help would be appreciated.

Mark
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Old Oct 6, 2009 | 10:02 AM
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These are cosmetic, only used on the grp A rally cars, and their engine layout is completely different to the one you see every day
No benefit from removing them, it can in fact cause problems (water ingress to sensitive electrical parts).

Tony
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Old Oct 6, 2009 | 10:03 AM
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No need to reply have found the answer
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Old Oct 6, 2009 | 12:13 PM
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Originally Posted by 95turbowagon
No need to reply have found the answer
Did you stumble upon this thread, per chance:-

https://www.scoobynet.com/general-te...net-vents.html

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Old Oct 6, 2009 | 05:11 PM
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Originally Posted by joz8968
Did you stumble upon this thread, per chance:-

https://www.scoobynet.com/general-te...net-vents.html

I did indeed, had a search first and must have missed it, then had another look after doing the thread and found it.
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Old Oct 6, 2009 | 10:44 PM
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What about if one is running an induction filter and the vent is replaced with one of those mini scoops that direct air onto the filter when on the go? Not advisable??
I understand about water getting in while its raining but if you just take it easy if its raining and only boot it when its a dry day, will that be ok?
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Old Oct 7, 2009 | 12:48 AM
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i took mine off when i first got my scoob and nothing but trouble, i have since got a facelift bonnet with the mini scoop and leave the cover off and that has been fine.
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Old Oct 7, 2009 | 01:14 PM
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Originally Posted by Imran21
What about if one is running an induction filter and the vent is replaced with one of those mini scoops that direct air onto the filter when on the go? Not advisable??
I understand about water getting in while its raining but if you just take it easy if its raining and only boot it when its a dry day, will that be ok?
Yeah, because when going slow/stationary, the mini scoop is acting as a barrier to the rain and it would just trickle off around the scoop and slide forwards off the bonnet. Then, when up to speed, nice cool air will be 'rammed' through the scoop, thus feeding the IK.

Try it and see - if it runs like poo, then revert back. Simples.
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Old Oct 7, 2009 | 02:51 PM
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Also heat will try to leave from under the bonnet by anyway which will include those nasty (imo) little scoops therefore creating a hotspot right where your IK is.
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Old Oct 7, 2009 | 03:47 PM
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Originally Posted by myblackwrx
Also heat will try to leave from under the bonnet by anyway which will include those nasty (imo) little scoops therefore creating a hotspot right where your IK is.
Good point. ^^^

Yeah, when the covers are in place, the air travels quickly out past the gearbox and away under the car.

When removed however, the underbonnet temps actually RISE a bit, as their absence stalls this otherwise fast-moving air stream.

So prob best keeping the covers in place then.



Originally Posted by myblackwrx
...those nasty (imo) little scoops...
+1

I can't abide them - look awful (in my opinion obviously).

Last edited by joz8968; Oct 7, 2009 at 03:50 PM.
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