p1723944
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Registered: 4th Feb 03
User status: Offline
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i'm going to doctor the airbox but i think the drilled look is sh!t, can any of you think of a reason why i can't cut the bottom/side of the airbox out and redo it with mesh instead of drilling ?
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MikeH
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Registered: 3rd Apr 03
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Or just leave it open.....
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p1723944
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Registered: 4th Feb 03
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Thought about that but i have removed the inner plastic arches at the front so there will be a fair amount of crap flyin about.
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MikeH
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Registered: 3rd Apr 03
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Well in that case keep it sealed then.
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Mikeboy
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Registered: 12th Jun 02
Location: Wiltshire Drives: SXi DTi
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very nice idea !
I'm not keen on having it full of holes either, but the thought of removing a section out of one of the sides and putting a fine mesh across it is very appealing 
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p1723944
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Registered: 4th Feb 03
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What don't cut or drill any of it ?
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p1723944
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Registered: 4th Feb 03
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Cheers Mikeboy !
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MikeH
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Registered: 3rd Apr 03
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p1723944: it's up to you but if you have a load of dirt entering the engine bay, your air filter will get dirty really quick and then lose performance....
Might be best to leave it sealed.
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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stupid idea. Pressure in the airbox will be non-existent and you will end up with the engine stalling evry time you pull away because it cannot suck any air in
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MikeH
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Registered: 3rd Apr 03
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Cybermonkey24: it's only like an induction kit...????????
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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no its not. an induction kit works by creating its own pressure within the construction of the kit so that it draws in more air immediately when the inlet manifold requires it
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p1723944
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Registered: 4th Feb 03
User status: Offline
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Cybermonkey24, would drilling the air box cause the same problem ?
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p1723944
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Registered: 4th Feb 03
User status: Offline
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By the way i will replaceing the filter panel with a K&N, if that makes any difference.
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CRB 553
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Registered: 5th Apr 02
Location: NE Drives: Punto GT
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the engine wont stall.....u can drive ur car with some thick tights covering the throttle body opening....not recomended though
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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Cybermonkey is wrong. You can happily drive with no air filter. Its common not to use air filters for competition use....
It wont gain any advantages over an induction kit as it will have no protection from hot air. Best bet is to keep it sealed with a nice sealed feed from the front of the car.
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p1723944
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Registered: 4th Feb 03
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I thought he was talking crap but you never know.
Cheers for the feedback, i'll prob attemt to put a cold air feed into the sealed box.
If not i'll butcher the air box and get meshing.
thanx again !
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Gambit
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Registered: 5th Jun 00
Location: Common Sense HQ
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p1723944, i take it you had the sense to rust protect your inner arches after removing the plastic inners?
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p1723944
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Registered: 4th Feb 03
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Yeah sort of.....Hammerite
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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ok then. I know someone who did this to their Astra GTE, and they found that cutting the whole bottom of the airbox out was not beneficial since the engine was starved of oxygen, as there was a more complicated airbox system, and no pressure difference inside!! Drilling too many holes will also cause a problem.
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