BCM CDA sealed Carbon Airbox - any good? - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » BCM CDA sealed Carbon Airbox - any good?

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TOMAS

Member

Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline

27th Dec 04 at 13:20

Just looking at buying a CDA carbon sealed filter - much like the Pipercross Viper except cotton filter & cheaper. Who uses one and how do you find them? Looking for low/std induction noise from a new filter so how loud are these?

BUK

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Registered: 24th Dec 04
Location: London
User status: Offline

27th Dec 04 at 13:34

i had one on a 106 at one point, very imperssed with them and the quality of them

ffls

Member

Registered: 29th May 02
User status: Offline

27th Dec 04 at 15:14

Too expensive, overpriced gear

but good product
One universal sealed and cheap induction, with 75mm pipe and a 100mm cold feed will do the same. Just oil the filter. I bought one for 35 quid and it worked. better than panel filter +airbox because the restriction is on the top of the OEM airbox.

Member

Registered: 18th Sep 03
Location: Hampshire Drives: ITR DC2 + Skoda Felicia
User status: Offline

27th Dec 04 at 18:45

i have one and think it is a great bit of kit and im running it on a 1.2 8v pics are in my garage, just i need to clean it but dont know wot with

TOMAS

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Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline

28th Dec 04 at 16:16

Yeah but its not as overpriced as a Viper

Viper = £250 with cold air and BMC = £175 for the XE lump.

Joff

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Registered: 17th Oct 00
Location: Cambridgeshire
User status: Offline

28th Dec 04 at 17:23

The BMC can't really be compared to a Viper though.

Once you've got past the dealers making their healthy profits, the reverse flow filter in a Viper is far superior to the BMCs efforts.
The Viper uses a tapered cone design with a radiused inlet - the BMCs is just two ends and a tube of carbon fibre. Worth about a tenner...

Corsa Racer 69

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Registered: 30th Aug 02
Location: Dumfries
User status: Offline

28th Dec 04 at 18:29

dunno how pipercross get away with selling the viper at that price the performance gain is not that great, a decent filter heatshield and cold air feed is easy enough to make and if you wanted to you could enclose a filter yourself

TOMAS

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Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline

28th Dec 04 at 18:29

Joff what you on about? The Viper is just a tube of carbon fiber with a foam mushroom inside - I owned one for a week and wasnt impressed. The BMC is a regular style cotton induction cone wrapped in carbon fiber tube? and £75 less? Whats the BIG difference, explain cos I dont see it?

Surely the benefits of cold air far outweigh the radiused shape of the filter no? So long as it acts as RAM induction at speed where cold air is force-fed into the intake? Agree about Pipercross, so overpriced its LOOPY!

[Edited on 28-12-2004 by TOMAS]

Robin

Premium Member

Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline

28th Dec 04 at 18:59

i agree that the viper is overpriced, mine was very cheap, but its still not been worth what i paid for it

Joff

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Registered: 17th Oct 00
Location: Cambridgeshire
User status: Offline

28th Dec 04 at 19:22

quote:
Originally posted by Corsa Racer 69
dunno how pipercross get away with selling the viper at that price the performance gain is not that great, a decent filter heatshield and cold air feed is easy enough to make and if you wanted to you could enclose a filter yourself

Pipercross only sell to trade, so it you're moaning about being charged £250 for a Viper, speak to retailers.

Joff

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Registered: 17th Oct 00
Location: Cambridgeshire
User status: Offline

28th Dec 04 at 19:29

quote:
Originally posted by TOMAS
Joff what you on about? The Viper is just a tube of carbon fiber with a foam mushroom inside - I owned one for a week and wasnt impressed. The BMC is a regular style cotton induction cone wrapped in carbon fiber tube? and £75 less? Whats the BIG difference, explain cos I dont see it?

Surely the benefits of cold air far outweigh the radiused shape of the filter no? So long as it acts as RAM induction at speed where cold air is force-fed into the intake? Agree about Pipercross, so overpriced its LOOPY!

The whole design and purpose of the Viper is to get maximum airflow in, filtered and out to the engine whilst trying to minimise the amount of turbulence being introduced into the air stream by hard edges and angles.
The filter on the Viper isn't radiused, the base is.

"The BMC is a regular style cotton gauze filter", ok so there's it's first negative point.
The reverse flow element in the Viper is designed so that the filter's shape is maintained by air pressure meaning that there's no need for any internal cage structure that can restrict airflow.

The Pipercross Viper is made from a spun alloy base with a tapered carbon fibre heatshield - the BMC's CDA has about as much design as a baked bean tin.

Joff

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Registered: 17th Oct 00
Location: Cambridgeshire
User status: Offline

28th Dec 04 at 19:32

quote:
Originally posted by robmarriott
i agree that the viper is overpriced, mine was very cheap, but its still not been worth what i paid for it

You only paid about £50 for it you idiot

Corsa Racer 69

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Registered: 30th Aug 02
Location: Dumfries
User status: Offline

28th Dec 04 at 22:24

The gains you would get of a viper over a normal induction kit are minimal, a viper just isnt worth the cost, a good cold air feed and heatshield and a decent filter if the viper was that good all the racing guys would be using them

Joff

Member

Registered: 17th Oct 00
Location: Cambridgeshire
User status: Offline

28th Dec 04 at 22:49

quote:
Originally posted by Corsa Racer 69
The gains you would get of a viper over a normal induction kit are minimal, a viper just isnt worth the cost, a good cold air feed and heatshield and a decent filter if the viper was that good all the racing guys would be using them

What racing guys use open induction kits?

J100RSA

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Registered: 4th Mar 01
Location: Thornhill, West Yorkshire
User status: Offline

28th Dec 04 at 23:23

i got cda and its better that joffs viper

Corsa Racer 69

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Registered: 30th Aug 02
Location: Dumfries
User status: Offline

28th Dec 04 at 23:25

most i know have modified the original or fitted a K+N Filter and protective box round it most rally cars ive seen have this design

[Edited on 28-12-2004 by Corsa Racer 69]

[Edited on 28-12-2004 by Corsa Racer 69]

Joff

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Registered: 17th Oct 00
Location: Cambridgeshire
User status: Offline

28th Dec 04 at 23:45

quote:
Originally posted by J100RSA
i got cda and its better that joffs viper

FPMSL you'll eat those words when you drive the car down

Joff

Member

Registered: 17th Oct 00
Location: Cambridgeshire
User status: Offline

28th Dec 04 at 23:48

quote:
Originally posted by Corsa Racer 69
most i know have modified the original or fitted a K+N Filter and protective box round it most rally cars ive seen have this design

[Edited on 28-12-2004 by Corsa Racer 69]

[Edited on 28-12-2004 by Corsa Racer 69]

Yes, so what you're saying is BMC is shit

Corsa Racer 69

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Registered: 30th Aug 02
Location: Dumfries
User status: Offline

28th Dec 04 at 23:50

but the viper is also shit

Corsa Racer 69

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Registered: 30th Aug 02
Location: Dumfries
User status: Offline

28th Dec 04 at 23:50

aswell as the BMC

Nic Barnes

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Registered: 5th Apr 04
Location: nowhere near ginger people
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28th Dec 04 at 23:52

whats wrong with a 29 quid max power air filter ffs, cant go wrong with that now can you? and it gives you max power around 15bhp, unlike the others eh

Member

Registered: 10th Sep 03
User status: Offline

29th Dec 04 at 00:00

quote:
Originally posted by Corsa Racer 69
dunno how pipercross get away with selling the viper at that price the performance gain is not that great, a decent filter heatshield and cold air feed is easy enough to make and if you wanted to you could enclose a filter yourself

Induction kits alone don't give noticable power gains on N/A engines. Stop beliving everything you read.

[Edited on 29-12-2004 by 1800ed]

TOMAS

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Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline

29th Dec 04 at 00:01

OK so lets change the subject slightly... What would you fit?

There's NO-WAY im running a Viper @ £250 plus the one I tried (without cold air though) made no improvement over my ill-fitting battered Green filter.

Cant you fit the BMC backwards so that IT has reverse air intake like the Viper style. Joff it sounds like you have many pressing issues with air feed intake into the 20XE engine lately...

Member

Registered: 10th Sep 03
User status: Offline

29th Dec 04 at 00:05

Just get a 57i and be happy

Member

Registered: 10th Sep 03
User status: Offline

29th Dec 04 at 00:06

Also, tuning parts are expensive, a Viper is a proper tuning part and costs a lot of money. You wouldn't cry if a set of throttle bodies and management costed about £2k. Tis life i'm affrad. Deal with it.

Also, don't think air filters work like that. You can't just turn them about the wrong way for a laugh...

[Edited on 29-12-2004 by 1800ed]

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