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Poll: Airbox : Drill + Pannel filter or Induction Kit ?
  Drill
  Drill and pannel filter
  Induction
  Leave it alone


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Author Airbox : Drill + Pannel filter or Induction Kit ?
Dean_H
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Registered: 19th May 02
Location: Rhondda Cynon Taff
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2nd Jan 04 at 21:04   View User's Profile U2U Member Reply With Quote

Right i have a corsa c sxi.

Would it be best if i got a pannel filter and drill my airbox

Or just get an induction kit?


Btw when u drill the airbox how big does the diameter roughly have to be and how many holes do u drill?

Thanks
LukeGSi
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Registered: 9th Dec 03
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2nd Jan 04 at 21:12   View User's Profile U2U Member Reply With Quote

http://www.corsasport.co.uk/board/viewthread.php?tid=73970
Mav 3000
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Registered: 16th Aug 01
Location: Leicestershire
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2nd Jan 04 at 21:57   View User's Profile U2U Member Reply With Quote

Hows about just 'air filter' as an option?

I don't think there are enough people on here with 100% certain knowledge of which is the best option to go for.
Dean_H
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Registered: 19th May 02
Location: Rhondda Cynon Taff
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2nd Jan 04 at 22:28   View User's Profile U2U Member Reply With Quote

leave it alone is an air filter option,
Scotty_B
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Registered: 11th Jun 03
Location: East Kilbride
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2nd Jan 04 at 22:31   View User's Profile U2U Member Reply With Quote

I've drilled mine and put a K&N filter in it. It gives a nice roar just like an induction kit, without the flat spots.
Born_corsa02
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Registered: 20th Dec 02
Location: Essex
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2nd Jan 04 at 22:49   View User's Profile U2U Member Reply With Quote

I put an induction kit on sounded mental. But messed up performance wen i put the drilled airbox back on it felt so much more responsive its much betta
luca2020
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Registered: 26th May 02
Location: Maidstone, Kent
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2nd Jan 04 at 22:50   View User's Profile U2U Member Reply With Quote

what do u want from it? power, noise or both
Kerry
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Registered: 5th Oct 01
Location: Norwich
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2nd Jan 04 at 22:53   View User's Profile U2U Member Reply With Quote

if u want sound drill it

if u want performance i suggest a decent panal filter and a good cold air feed to ure airbox

if u want both then induction kit also with good cold air feed



[Edited on 02-01-2004 by Kerry]
big eck
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Registered: 20th Apr 03
Location: Tullibody. Drives - Audi B8 S4 & Fiesta Zetec-S
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2nd Jan 04 at 22:54   View User's Profile U2U Member Reply With Quote

An induction kit is a gr8 idea but Its a MUST to get a cold air feed to it as they are prone to suckin in hot air from the engine.
Noonster
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Registered: 20th Jul 03
Location: East Yorkshire
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3rd Jan 04 at 11:18   View User's Profile U2U Member Reply With Quote

Drilled Airbox + Panel Filter
Paul H
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Registered: 11th Aug 03
Location: Lincoln.
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3rd Jan 04 at 11:30   View User's Profile U2U Member Reply With Quote

leave it alone induction kits give your car loads of flat spots and drink fuel.drilled airbox and panel filter do naff all just makes a noise
luca2020
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Registered: 26th May 02
Location: Maidstone, Kent
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3rd Jan 04 at 12:19   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by chewbaccaman
leave it alone induction kits give your car loads of flat spots and drink fuel.drilled airbox and panel filter do naff all just makes a noise


do u have any proff to back up that claim?

its allready been proven on here that a drilled air box and aftermarket filter gives more power than just an induction kit
Noonster
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Registered: 20th Jul 03
Location: East Yorkshire
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3rd Jan 04 at 16:36   View User's Profile U2U Member Reply With Quote

Panel filter and drill the box - trust me
Mav 3000
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Registered: 16th Aug 01
Location: Leicestershire
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3rd Jan 04 at 17:05   View User's Profile U2U Member Reply With Quote

What about a panel filter and...

...instead of drilling the air box taking the plastic bit out of the middle of the air box and replacing the manifold warm air feed with a cold air feed?
Kerry
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Registered: 5th Oct 01
Location: Norwich
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3rd Jan 04 at 17:09   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Mav 3000
What about a panel filter and...

...instead of drilling the air box taking the plastic bit out of the middle of the air box and replacing the manifold warm air feed with a cold air feed?


quote:
Originally posted by Kerry

if u want performance i suggest a decent panal filter and a good cold air feed to ure airbox







Mav 3000
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Registered: 16th Aug 01
Location: Leicestershire
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3rd Jan 04 at 17:16   View User's Profile U2U Member Reply With Quote

but is replacing the feed from the manifold and taking the little palstic bit out of the middle of the box the best way to go about it? (that what I meant )
luca2020
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Registered: 26th May 02
Location: Maidstone, Kent
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3rd Jan 04 at 17:55   View User's Profile U2U Member Reply With Quote

ive not got the OE air feed from the grill, never did

taking the middle bit out of the box dosent do all that much, because the only air to get into it still is the small hole at the front, hense the reason for drilling holes in it to let more air through
blackula
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Registered: 26th Apr 03
Location: Cheshire
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3rd Jan 04 at 17:57   View User's Profile U2U Member Reply With Quote

On the models with an air feed from the front of the box to near the bonnet catch, removing that and simply putting a piece of ducting pipe (like convoluted grey washer pipe) and cable tie the end to the grille 6 inches or so in front of the airbox itself. Then replace the element with a panel filter like Jetex or K&N (cotton gauze) but watch it if you leave it in for a major service in case they throw it away or steal it. Put the paper one back in.

If you dont mind the noise drilling the airbox whilst only giving a small gain, does help with the breathing when you mod further (like a manifold) and it also changed the torque characteristic sof the engine making it pull at lower rpm. Just remember to reset the ECU.

From experience the three airbox mods give about 5-6bhp at the wheels.

Induction kits are liked by some, disdained by others as some suck too much hot air, bad for power.

Like you may have noticed your car goes better when its cold or cold, damp, foggy, the best scenario, a colder denser air. By adding a cold air intake you are getting towards this situ as you are getting cooler air.
The difference in peak power between ambient temperature alone changing by 5 degs C can be like 5-6 %. (on some engines).

Fitting an induction kit can mean it draws hot air frome the engine bay, even with a cold air duct and this is why some help and some don't.

On my old Zetec S, I lost 4 bhp wheels with a K&n induction kit.





Rocky
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Registered: 16th Nov 02
Location: Bridgend S.Wales Drives : Astra VXR
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3rd Jan 04 at 18:16   View User's Profile U2U Member Reply With Quote

now wat happens if u got a bumper that aint got any gaps in front or grill u cant hav cold air feed then can u ?? any way around it
Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
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3rd Jan 04 at 18:19   View User's Profile U2U Member Reply With Quote

take the clip on bit off the bottom of the airbox and run 2 cold air feed upto it, also cut out teh plastic supports inside as they restrict the flow, no need to drill then.
Mav 3000
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Registered: 16th Aug 01
Location: Leicestershire
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3rd Jan 04 at 19:36   View User's Profile U2U Member Reply With Quote

^ Thats what I'll be doing

- cold air feed duct to replace the plastic one to the grille, remove the internal plastics in the air box and a nice panel filter inside.

Im not gonna drill mine.
Paul H
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Registered: 11th Aug 03
Location: Lincoln.
User status: Offline
3rd Jan 04 at 21:35   View User's Profile U2U Member Reply With Quote

i wouldn't spend 40 for a panal filter to get 1 to 2 bhp out of a 1.2 waste of money

 
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