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Robbo_Corsa

Member

Registered: 5th Jul 06
Location: North Lincolnshire
User status: Offline

10th Nov 08 at 15:04

I've got a P reg, 1.2 8v Corsa...

Now, i ihave a K&N filter;

a) Do you advise fitting it? (heard something about flat spots etc..)

&

b) Connected to my airbox is a pipe from the manifold heatsheild to the airbox, also some sort of sensor. If i disconnect these will it effect the car?

nova_gteuk

Member

Registered: 15th May 02
Location: South Wales Drives: The Bandwagon
User status: Offline

10th Nov 08 at 15:05

Pipe wont affect it.

But its better just to get a panel filter and drill the underside of the the box.

Flatspot just means its sucks in hot air from the engine and bogs down for a second.

Robbo_Corsa

Member

Registered: 5th Jul 06
Location: North Lincolnshire
User status: Offline

10th Nov 08 at 15:08

I've drilled my airbox already, and have a panel filter in there, but i thought the K&N might make it sounds abit better than it does..
If not, i just won't fit it..

[Edited on 10-11-2008 by Robbo_Corsa]

nova_gteuk

Member

Registered: 15th May 02
Location: South Wales Drives: The Bandwagon
User status: Offline

10th Nov 08 at 15:11

The drilled air box and panel filter will be louder,well it was on my old 1.2.

I did have a K&N 57i on my old 1.2 and i took it off got fed up off it bogging down.

Gareth F

Member

Registered: 16th Jan 08
Location: Location Location
User status: Offline

10th Nov 08 at 15:12

I might be about to sell my k&n panel filter as i derestricted my airbox then just bought a viper kit. Only had it a few months

Need to sort stuff out and put it all on ebay

20valver

Banned

Registered: 14th Sep 08
User status: Offline

10th Nov 08 at 15:15

flat spot is caused by lack fuel not caused by heat soak

20valver

Banned

Registered: 14th Sep 08
User status: Offline

10th Nov 08 at 15:16

Air Filter, Quick Question.. yup ones that filter the inducted air into the engine

markx14xe

Member

Registered: 5th Oct 08
Location: grimsby
User status: Offline

10th Nov 08 at 15:16

try heat shield with the cold air feed pipe

pow

Premium Member

Registered: 11th Sep 06
Location: Hazlemere, Buckinghamshire
User status: Offline

10th Nov 08 at 15:16

quote:
Originally posted by 20valver
flat spot is caused by lack fuel not caused by heat soak

nova_gteuk

Member

Registered: 15th May 02
Location: South Wales Drives: The Bandwagon
User status: Offline

10th Nov 08 at 15:17

20Valver was that a joke or serious?

Gareth F

Member

Registered: 16th Jan 08
Location: Location Location
User status: Offline

10th Nov 08 at 15:18

markx14xe

Member

Registered: 5th Oct 08
Location: grimsby
User status: Offline

10th Nov 08 at 15:19

buy my x14xe engine with the complete exhaust >>>>>>>>>(BILLY ELLIOT)<<<<<<<<<

Ash_EP3

Member

Registered: 15th May 07
Location: Melksham, Wiltshire
User status: Offline

10th Nov 08 at 15:20

I have a pipercross on mine and yes it does make a nice roar but it can suffer from flat spots

I only notice it sometimes (for example if i've been stuck in traffic for a while) apart from that it's all gravy

edit: 20valver is right imo

[Edited on 10-11-2008 by S214_UPP]

Robbo_Corsa

Member

Registered: 5th Jul 06
Location: North Lincolnshire
User status: Offline

10th Nov 08 at 15:24

quote:
Originally posted by markx14xe
buy my x14xe engine with the complete exhaust >>>>>>>>>(BILLY ELLIOT)<<<<<<<<<

Shut up 'Markus Boxus'

markx14xe

Member

Registered: 5th Oct 08
Location: grimsby
User status: Offline

10th Nov 08 at 15:28

u have 45bhp but you could have 90bhp if you bought my engine 0 to 60 in 9.9 seconds

20valver

Banned

Registered: 14th Sep 08
User status: Offline

10th Nov 08 at 15:29

quote:
Originally posted by nova_gteuk
20Valver was that a joke or serious?

flat spot is caused by lack fuel not caused by heat soak, serious yes

20valver

Banned

Registered: 14th Sep 08
User status: Offline

10th Nov 08 at 15:34

quote:
Originally posted by S214_UPP
I have a pipercross on mine and yes it does make a nice roar but it can suffer from flat spots I only notice it sometimes (for example if i've been stuck in traffic for a while) apart from that it's all gravy

edit: 20valver is right imo

[Edited on 10-11-2008 by S214_UPP]

but it can suffer from flat spots

I only notice it sometimes (for example if i've been stuck in traffic for a while) that is not a flat spot what that is power loss caused by heat soak

nova_gteuk

Member

Registered: 15th May 02
Location: South Wales Drives: The Bandwagon
User status: Offline

10th Nov 08 at 15:36

well after i had changed from the k&n back to the airbox, it stopped the flat spots.

Heatsoak is simply lost power due to hotter (and less dense) air entering the engine/combustion chamber.

20valver

Banned

Registered: 14th Sep 08
User status: Offline

10th Nov 08 at 15:37

my astra use to suffer for heat soak power loss then i heat sheilded my induction kit and no more power loss caused by heat soak,

question does this happen to your induction kit when it is winter

fazza

Member

Registered: 7th Feb 08
Location: Plymouth
User status: Offline

10th Nov 08 at 15:37

think you should do a group buy on your modded airboxes 20valver.

then we can all drive with more power and no heatsoak/flat spot

markx14xe

Member

Registered: 5th Oct 08
Location: grimsby
User status: Offline

10th Nov 08 at 15:37

my 1.4 sport was fine just no power under 2000rpm

20valver

Banned

Registered: 14th Sep 08
User status: Offline

10th Nov 08 at 15:39

quote:
Originally posted by nova_gteuk
well after i had changed from the k&n back to the airbox, it stopped the flat spots.

Heatsoak is simply lost power due to hotter (and less dense) air entering the engine/combustion chamber.

but was you k+n filter heat sheilded from engine bay and did it have a decent cold air feed flat spots are caused by lack of fuel

20valver

Banned

Registered: 14th Sep 08
User status: Offline

10th Nov 08 at 15:40

question does this happen to your induction kit when it is winter

Corsa_Sport21

Member

Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
User status: Offline

10th Nov 08 at 15:42

quote:
Originally posted by 20valver
my astra use to suffer for heat soak power loss then i heat sheilded my induction kit and no more power loss caused by heat soak,

question does this happen to your induction kit when it is winter

No because your manifold changes when the clocks go back.When u set the time on the dash,it picks up on this and the manifold lets off cold air instead of hot.

fazza

Member

Registered: 7th Feb 08
Location: Plymouth
User status: Offline

10th Nov 08 at 15:43

tbh heatshielded or not an old spi engine is going have flat spots if not been looked after.

give it a fucking service, none of this shit 20valver is chatting about!!

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