Z18XE on Throttle bodies 200bhp pg 33 any one for head? - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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Dave A

USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 10th Dec 03
Location: County Durham
User status: Offline

11th May 08 at 11:16

shut it gayboy.

Linch

Member

Registered: 4th May 06
Location: Whickham, Tyne and Wear
User status: Offline

11th May 08 at 15:16

quote:
Originally posted by Dave A
shut it jayboy.

Thats better

Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

13th May 08 at 22:36

its alive

but smokes just as bad on over run

was slight play in pistons but nothing major

had new exhasut valve guides, exhasut valves and inlet guides checked

even got someone else to fit the stem seals just in case

yet still smokes on over run, brand new stem seals, all checked etc etc

what the fook else can it be

sand-eel

Member

Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
User status: Offline

13th May 08 at 23:23

you used lawnmower fuel......silly

Dave A

USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 10th Dec 03
Location: County Durham
User status: Offline

14th May 08 at 09:19

rings/bores/blockd breathers.

Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

14th May 08 at 13:05

but we had oil going back up the inlet, so must be coming down the stem seals?

it blocked the injector up didnt it!!

no play in guides at all

Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

17th May 08 at 17:01

got round to fitting my wideband o2 sensor again, and this time it works (was a controller fault)

got to sort out cold start, as its a bastard to start from cold

and lean off a few areas, as on light throttle is running far far to rich

Linch

Member

Registered: 4th May 06
Location: Whickham, Tyne and Wear
User status: Offline

17th May 08 at 17:56

quote:
Originally posted by warren.g
got round to fitting my wideband o2 sensor again, and this time it works (was a controller fault)

got to sort out cold start, as its a bastard to start from cold

and lean off a few areas, as on light throttle is running far far to rich

So when do we expect to see you again, after you mess the map file up

jokes

Dave A

USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 10th Dec 03
Location: County Durham
User status: Offline

17th May 08 at 19:10

NEVER use a wideband lambda on a smoking engine, it will kill it in no time! also, as oil is mixed with the exhaust gasses, you wont get a correct AFR reading.

Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

18th May 08 at 09:51

just got to sort out the cold start as we couldn't do that,

doesnt smoke on accereation, so will it still be okay?

only doing the 2-20% throttle of cruising, to get better mpg as its running rich down low and drinking petrol

the afr is spot on full throttle, 12.5 - 1 so i no the wide band is working fine

but at 10% throttle around 4,000rpm getting 9.8 - 1 afr

and blipping the throttle theres a real lean point, which makes it hard to pull away, causing it to cut out and you have to rev it, goes down to 20 - 1 afr

[Edited on 18-05-2008 by warren.g]

dean101287

Member

Registered: 22nd Jul 07
Location: Cardiff
User status: Offline

18th May 08 at 09:55

do you know why it is running rich?

Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

18th May 08 at 09:57

to much fuel being injected

dean101287

Member

Registered: 22nd Jul 07
Location: Cardiff
User status: Offline

18th May 08 at 09:58

what I meant is the reason behind too much fuel being injected?

Vaux Lad

Member

Registered: 15th Dec 04
Location: Stoke-on-Trent
User status: Offline

18th May 08 at 11:42

quote:
Originally posted by warren.g
and blipping the throttle theres a real lean point, which makes it hard to pull away, causing it to cut out and you have to rev it, goes down to 20 - 1 afr

[Edited on 18-05-2008 by warren.g]

Accel enrichment map is incorrect if its going lean when accelerating hard.

quote:
Originally posted by dean101287
what I meant is the reason behind too much fuel being injected?

The map/ecu is holding the injectors open for too long

[Edited on 18-05-2008 by Vaux Lad]

dean101287

Member

Registered: 22nd Jul 07
Location: Cardiff
User status: Offline

18th May 08 at 12:37

Wots with the funny faces? just curious thats all

Vaux Lad

Member

Registered: 15th Dec 04
Location: Stoke-on-Trent
User status: Offline

18th May 08 at 15:06

dean101287

Member

Registered: 22nd Jul 07
Location: Cardiff
User status: Offline

18th May 08 at 16:10

Vaux Lad

Member

Registered: 15th Dec 04
Location: Stoke-on-Trent
User status: Offline

18th May 08 at 17:52

Lol
Never mind

Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

18th May 08 at 20:36

quote:
Originally posted by Vaux Lad

Accel enrichment map is incorrect if its going lean when accelerating hard.

no at like 1100rpm when trying to pull away

care to explain how accel enrichmentworks? think its turned off

Broken down again, well stuck in 3rd gear

crappy quickshift snapped

back to standard linkage again, which was going back on this week anyway

i love this car

gavin18787

Premium Member

Registered: 22nd Feb 05
Location: Basildon, Essex
User status: Offline

18th May 08 at 21:13

Really wanted to see it today

Must have snapped because it knew you was getting rid of it

Drives supercharged Tec with torque

Warren G

Member

Registered: 14th May 06
Location: Kent
User status: Offline

18th May 08 at 21:57

fun trying to pull away in 3rd

aftermarket parts = wank

didnt even last 2 months

must be driver at fault

jamesvalver

Member

Registered: 21st Feb 03
Location: Bury St Edmunds, Suffolk
User status: Offline

18th May 08 at 22:44

startin to sound like mine now warren! ive managed to loose oil presure again on my xe

Whittie

Member

Registered: 11th Aug 06
Location: North Wales Drives: BMW, Corsa & Fiat
User status: Offline

19th May 08 at 08:08

Must be the curse of the white corsa

Vaux Lad

Member

Registered: 15th Dec 04
Location: Stoke-on-Trent
User status: Offline

19th May 08 at 16:22

quote:
Originally posted by warren.g

quote:
Originally posted by Vaux Lad

Accel enrichment map is incorrect if its going lean when accelerating hard.

no at like 1100rpm when trying to pull away

care to explain how accel enrichmentworks? think its turned off

Broken down again, well stuck in 3rd gear

crappy quickshift snapped

back to standard linkage again, which was going back on this week anyway

i love this car

When you quickly open the throttle, air reacts to the change more quickly than fuel(its less dense), so the ecu has to compensate for that factor by adding slightly more fuel than normal to prevent the engine getting a lean mix .

dean101287

Member

Registered: 22nd Jul 07
Location: Cardiff
User status: Offline

19th May 08 at 17:01

I hear you talking bout a z18xe? you have another car or new plans for this?

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Corsa Sport » Message Board » General Chat » Projects and Builds » Z18XE on Throttle bodies 200bhp pg 33 any one for head?

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