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MikeH

posted on 21st Oct 03 at 11:45

Surely a less restrictive induction system allows more air to be sucked into the engine easier.

With slightly more air in the engine it will have to inject more fuel in there or risk pinking. Either that of retard the timing (which would defeat the whole purpose as youd get no real gain)

So it does affect the air fuel ratio and also affect power by not loosing as much on the induction stroke.

quote:
Originally posted by vibrio
quote:
Originally posted by mark_jarman1
does drilling the airbox change the air to fuel ratio and can this damage your piston's and there bore's.

Is the pvd better than the pipercross.

cheers




no drillign the airbox does not affect your air/fuel ratio. the power gain is down to the engine not having to suck as hard and so the wheels see the power that the airbox was removing


[Edited on 21-10-2003 by MikeH]


broster

posted on 21st Oct 03 at 11:37

look in the FAQ section, it tells u how to do it in there:-
http://www.corsasport.co.uk/board/viewthread.php?tid=73970


Mikeboy

posted on 21st Oct 03 at 11:36

http://www.corsasport.co.uk/board/viewthread.php?tid=73970


sunnyb

posted on 21st Oct 03 at 11:18

hey guys what do you mean when you say drill your airbox???
can somebody give us a step by step on how to do this??
diagrams if poss

cheers


vibrio

posted on 29th Sep 03 at 13:42

quote:
Originally posted by broster
this is an old arguement ill find a post with proof whats best!
http://www.corsasport.co.uk/board/viewthread.php?tid=74539&page=3
this is the page with the results, what he tests is on page 2


this is not fact

1st run gave the viper = 119bhp
2nd run gave the K+N = 110bhp
3rd run gave the panel + box = 114bhp


where is N=3 all I see is N=1 what where the results for the wheel power. also whats the graph actually like. peak power means feck all unless it's strong under the graph. provide the printouts


vibrio

posted on 29th Sep 03 at 13:38

quote:
Originally posted by mark_jarman1
does drilling the airbox change the air to fuel ratio and can this damage your piston's and there bore's.

Is the pvd better than the pipercross.

cheers




no drillign the airbox does not affect your air/fuel ratio. the power gain is down to the engine not having to suck as hard and so the wheels see the power that the airbox was removing


Noonster

posted on 29th Sep 03 at 12:31

quote:
Originally posted by mark_jarman1
does drilling the airbox change the air to fuel ratio and can this damage your piston's and there bore's.
cheers



I would like to know also :D


chrissri

posted on 29th Sep 03 at 11:19

i bought a k&n, whick sounded quality for the first couple of months, and i did notice a difference in throttle response. after a few months though the sound deteriorates.


M4tt

posted on 28th Sep 03 at 17:54

what's the green twister one?


MJ

posted on 28th Sep 03 at 17:20

does drilling the airbox change the air to fuel ratio and can this damage your piston's and there bore's.

Is the pvd better than the pipercross.

cheers


L885 1.28v

posted on 23rd Sep 03 at 07:57

wot about the green twister thats good and is only £140:)


Wolf In Welsh Clothing

posted on 22nd Sep 03 at 22:47

Dont forget to take the pipe out of the top of the airbox, will be the best bhp per pound air filter you can get for a corsa then.
Get a foam panel filter as easier to clean than gauze and flows air well.


broster

posted on 22nd Sep 03 at 22:27

this is an old arguement ill find a post with proof whats best!
http://www.corsasport.co.uk/board/viewthread.php?tid=74539&page=3
this is the page with the results, what he tests is on page 2


Greasemonkey

posted on 22nd Sep 03 at 22:25

I got a K&N panel filter in a drilled box on my GSI sounds so good, take out the plastic pipe thats in the box for a more resonating sound, the cotton gauze in a K&N is so much better than foam filters


Greasemonkey

posted on 22nd Sep 03 at 22:24

yeah or the pipercross viper like broster said, forgott about that one, its the only decent induction kit but aint cheap at £250


MJ

posted on 22nd Sep 03 at 22:23

wot about if you put a fan near to the airbox blowing cold air in, would that work. wots the best panal filter to go for.

cheers for the help


broster

posted on 22nd Sep 03 at 22:22

this is an old arguement ill find a post with proof whats best!


Greasemonkey

posted on 22nd Sep 03 at 22:21

Stick with the drilled air box and get a performance panel filter, induction kits normally put the power down on corsas cos they suck on hot air off the engine, get some cold air feeds to ya drilled box and that will sort ya, you wont notice the difference it benifits the mods you do in the future, might make throttle feel a bit more responsive and might let the engine rev a bit harder at top end but thats all 3bhp i think you are likely to gain


broster

posted on 22nd Sep 03 at 22:20

if u want to increase performance then got for a sealed type induction kit, i.e. a pipercross viper
<---one in my avatar


MJ

Icon depicting mood of post posted on 22nd Sep 03 at 22:17

I drilled my airbox today and now the car sounds like a beast, but it has not improved my performance.

I was wondering wot induction kit to go for to increase the cars perfomance. I am not sure which one to choose between the following:
- K&N 57i induction kit
- Pipercross induction kit
- PVD induction kit
- If you know of any more
- A perfornce panal filter to go with the drilled airbox.

Any help would be appriecated.

Cheers

Mark :thumbs: