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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » Induction kits + Exausts cause Jerky Throttle?? » Post Reply

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ffls

Icon depicting mood of post posted on 9th Aug 04 at 11:14

Monkey magic,

I've got a superchip and have used an hammer to increase fuel pressure because my engine was running too lean:lol:


ffls

Icon depicting mood of post posted on 9th Aug 04 at 11:11

blundey, don't cough:lol::lol::lol:
use the the spare money on a Mantzel manifold, I did:lol::lol::lol:


MoNkEy MaGiC

posted on 9th Aug 04 at 11:10

quote:
Originally posted by Greasemonkey
i wanna have a moan, why have you not cold the cold air feed on ya viper. I DONT use mine either because with it on the car has a HUGE flat spot from 4000rpm-5000rpm, simply take it off and it goes away. Do you get this too it fooks me off, ?


ive never really driven the car hard with the cold feed on but yes in general it just didnt pull as hard with it on!! probly coz it sucks in a LOT more air with it of...
but main reason i took it of is coz it sounds like a beast after 3k revs :D dont you get this???

it jerks if i release the throttel suddenly, somtimes it ok not so bad and somtimes it really bad, could be due to the weather and how dense the air is??

i think its coz to too much air comming in from what the car thinks it should be getting and then as i release the throttel it jerks as its suddenly cut it of, which is why i think a uni-chip? or a remap? is needed?

[Edited on 09-08-2004 by MoNkEy MaGiC]


blundey

posted on 9th Aug 04 at 11:08

*cough* USC *cough*


ffls

Icon depicting mood of post posted on 9th Aug 04 at 09:58

yesterday I fitted my race X induction with a 10cm cold air feed to the filter.I used K+N oil on the filter, and I have to report no jerkiness or flat spots:D
The best 35£ spent, it's that bit cheaper than the Viper (ok it's not carbon fiber but...it works):thumbs:


Greasemonkey

posted on 9th Aug 04 at 08:30

i wanna have a moan, why have you not cold the cold air feed on ya viper. I DONT use mine either because with it on the car has a HUGE flat spot from 4000rpm-5000rpm, simply take it off and it goes away. Do you get this too it fooks me off, ?


morrisdaboss

posted on 9th Aug 04 at 08:24

could try boxing the induction kit in a bit more - my mate had a similar prob and managed to weld mesh round the base of his - looked pretty sweet too.


MoNkEy MaGiC

posted on 8th Aug 04 at 12:18

i dont keep the air feed connected on my viper induction kit...so it is similar to a KnN in terms of hot air sucking in!

but.....its only jerky when i relaese of the throttle above 10-20mph BY WHICH their would be enough cold air flowing into the engine anyway???
and i have 2 air feeds!


5door_jon

posted on 8th Aug 04 at 11:46

if its a k&n 57i (or similar) it will cause a few problems as is close to the engine and sucks too much hot air in , i got rid of mine in about 2 months due to this


MoNkEy MaGiC

posted on 8th Aug 04 at 10:45

car has seemed jerky as i release the throttle over the last year!!!!!
i havnt checked the ICV or the throttle body....but have read many posts were that dont solve the problem either!

i was thinking.....could the increased air intake from the induction kit and better flowing exaust cause this jerkiness???
or even the type of petrol i use, Shell-Unleaded??
if so what could be a cure? uni-chip? super-chip? re-map?

[Edited on 08-08-2004 by MoNkEy MaGiC]