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Guest Message by DevFuse

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2.0l vcdi tuning


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19 replies to this topic

#1 OFFLINE   maxbond

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Posted 25 August 2010 - 12:13 PM

24082010153.jpg

new custom made exhaust system for cruze. it also sounds great







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#2 OFFLINE   thommo10

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Posted 26 August 2010 - 01:10 AM

24082010153.jpg

new custom made exhaust system for cruze. it also sounds great



Where did you get it done ?

#3 OFFLINE   maxbond

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Posted 26 August 2010 - 04:12 AM

Where did you get it done ?


it has been custom made . i ve changed everything and done a straight pipe and removed the catalitics. now it breeds well and sounds great as well. bhp has also increased .

#4 OFFLINE   CruzeDK

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Posted 26 August 2010 - 12:52 PM

it has been custom made . i ve changed everything and done a straight pipe and removed the catalitics. now it breeds well and sounds great as well. bhp has also increased .


The real resistance is in the DPF..

Also note, in order to actually FEEL a bhp increase, a rule of thumb is a minimum og 10% more power.. So if removing the catalyst, and gaining a noticeable feel is very impressive.

(on a turbo car, the most important part of the exhaust, is the downpipe. The rest is less important, as gases occupy less space down the exhaust)
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#5 OFFLINE   maxbond

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Posted 02 September 2010 - 04:55 AM

yes i ve increased the diameter of the pipe as well to 2 and a quarter. now i will change the air in take by installing a k&n air filter.

#6 OFFLINE   CruzeDK

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Posted 02 September 2010 - 10:02 AM

yes i ve increased the diameter of the pipe as well to 2 and a quarter. now i will change the air in take by installing a k&n air filter.


Shame you did'nt get it dynoed before and after.
Butt-Dyno is not always correct ;-)

Btw. Watch out for the KN oil, not getting in to your MAF sensor...bad thing.
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#7 OFFLINE   maxbond

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Posted 07 September 2010 - 12:46 PM

Shame you did'nt get it dynoed before and after.
Butt-Dyno is not always correct ;-)

Btw. Watch out for the KN oil, not getting in to your MAF sensor...bad thing.



i need help on how to remove the dpf software or switch it off. the dealer here in malta told me its not possible since they are linked online with the mother company, Still i ve seen a letter of alternatives on the net.

Any suggestions??

by d way what is the KN oil?

#8 OFFLINE   CruzeDK

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Posted 07 September 2010 - 02:19 PM

i need help on how to remove the dpf software or switch it off. the dealer here in malta told me its not possible since they are linked online with the mother company, Still i ve seen a letter of alternatives on the net.

Any suggestions??

by d way what is the KN oil?


Seriously leave the DPF.. it wont be a "plug" until ~200hp . And the cost of removing it (physical & ECU) is the same as a remap i guess....

KN oil is the mother of all fuckups, regarding MAF sensors. It sticks to the MAF = it reads arong, and is therefore broken.

KN oil (it's what traps the dirt entering the filter)

= Posted Image
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#9 OFFLINE   maxbond

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Posted 07 September 2010 - 02:43 PM

Seriously leave the DPF.. it wont be a "plug" until ~200hp . And the cost of removing it (physical & ECU) is the same as a remap i guess....

KN oil is the mother of all fuckups, regarding MAF sensors. It sticks to the MAF = it reads arong, and is therefore broken.

KN oil (it's what traps the dirt entering the filter)

= Posted Image



still i find it quite annoying and useless.i mainly use the car for a sunday drive and occasional trips. plus this way it really has a sporty rumble. i have removed all the cats and it is really reving up without increasinging fuel consumption

#10 OFFLINE   CruzeDK

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Posted 08 September 2010 - 12:40 AM

still i find it quite annoying and useless.i mainly use the car for a sunday drive and occasional trips. plus this way it really has a sporty rumble. i have removed all the cats and it is really reving up without increasinging fuel consumption


Your call of course...

But i can tell you, that the dyno curve of my chipped cruze (169hp 385nm), showed NO signs of flow problems (intake/exhaust).

Would be interresting to put your car on a dyno, and see the "gains". ??
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#11 OFFLINE   maxbond

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Posted 08 September 2010 - 04:45 AM

Your call of course...

But i can tell you, that the dyno curve of my chipped cruze (169hp 385nm), showed NO signs of flow problems (intake/exhaust).

Would be interresting to put your car on a dyno, and see the "gains". ??


i think it may made about 10 hp probably. still i m gonna chip it next month.
Yours was 125hp and know its 169hp??
you gained a lot , what chip did you use?
i was gonna use the unichip what do you think about it?

#12 OFFLINE   CruzeDK

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Posted 08 September 2010 - 08:52 AM

i think it may made about 10 hp probably. still i m gonna chip it next month.
Yours was 125hp and know its 169hp??
you gained a lot , what chip did you use?
i was gonna use the unichip what do you think about it?


Actually, mine was ~134hp before chip. Most 125 versions make around that at a dyno (sadly the 150 only makes 145-148 IRL). The torque was also a lot higher than the quoted 300nm, even at stock (~330nm).

I had a custom "chip" made for the car. The only real thing... Unichip, as i know, is a piggyback system, a total waste IMO.
go for a chiptuning, at a competent vendor. In this way (if he knows what he's doing) there is 100% control of the rail pressure, Lambda, injection amount, timing and boost.
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#13 OFFLINE   markpalk

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Posted 29 November 2010 - 03:16 AM

Actually, mine was ~134hp before chip. Most 125 versions make around that at a dyno (sadly the 150 only makes 145-148 IRL). The torque was also a lot higher than the quoted 300nm, even at stock (~330nm).

I had a custom "chip" made for the car. The only real thing... Unichip, as i know, is a piggyback system, a total waste IMO.
go for a chiptuning, at a competent vendor. In this way (if he knows what he's doing) there is 100% control of the rail pressure, Lambda, injection amount, timing and boost.


Could you please share some details on the custom "chip" ( OBD remap ? ) . Where was it done, how long did it take, Do you have pre/post dyno graphs? I am very interested both in the process and te results. I have a diesel 2.0 automatic (150 stock) do you know i there are any special considerations when remapping an automatic?

Cheers,
-Mark.

#14 OFFLINE   CruzeDK

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Posted 29 November 2010 - 01:23 PM

Could you please share some details on the custom "chip" ( OBD remap ? ) . Where was it done, how long did it take, Do you have pre/post dyno graphs? I am very interested both in the process and te results. I have a diesel 2.0 automatic (150 stock) do you know i there are any special considerations when remapping an automatic?

Cheers,
-Mark.


Yes, here are my before and after curves...

Posted Image

Posted Image

More power is possible, but reliability is in absolute focus for me.. 185hp should be possible, as most 150 versions are mapped to that power (125/150 engine totally the same, only difference is a few parameters in the ECU)

And yes, the remap was done via OBD.

Important things to consider when remapping.

1. Lambda must be in place
2. power delivery should be smooth
3. dont push the rail/pump too far
4. avoid too high EGT
5. Dont push turbo (boost) too much
6.... others that dont remember :D

regarding the MT/AT gearbox...... There should'nt be too much differnce, as long as they are wqually strong, not to forget the clutch.

Edited by CruzeDK, 29 November 2010 - 01:24 PM.

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#15 OFFLINE   Compeed DK

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Posted 19 January 2011 - 05:42 AM

Yes, here are my before and after curves...

Posted Image

Posted Image

More power is possible, but reliability is in absolute focus for me.. 185hp should be possible, as most 150 versions are mapped to that power (125/150 engine totally the same, only difference is a few parameters in the ECU)

And yes, the remap was done via OBD.

Important things to consider when remapping.

1. Lambda must be in place
2. power delivery should be smooth
3. dont push the rail/pump too far
4. avoid too high EGT
5. Dont push turbo (boost) too much
6.... others that dont remember :D

regarding the MT/AT gearbox...... There should'nt be too much differnce, as long as they are wqually strong, not to forget the clutch.



Hi CruzeDK,

As a danish owner of a Cruze 2.0 150hp, im very interested in where you had it done(if you will share) Ive heard from several sources, that it couldnt be done via OBD, and they had to take the box out completely to do it. (my knowledge is very limited in this area) I hope you will help me :-)

Regards
Compeed Dk

#16 OFFLINE   CruzeDK

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Posted 20 January 2011 - 01:58 PM

Hi CruzeDK,

As a danish owner of a Cruze 2.0 150hp, im very interested in where you had it done(if you will share) Ive heard from several sources, that it couldnt be done via OBD, and they had to take the box out completely to do it. (my knowledge is very limited in this area) I hope you will help me :-)

Regards
Compeed Dk



Hello..

Contact obd-tuning.dk
They did a good job on my car.... 417nm and 184hp
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#17 OFFLINE   Hangterisaan

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Posted 20 July 2014 - 09:07 AM

DPF delete got me 10 hp and 25 Nm extra over the first remap so it made me a happy camper ;-) . I now have 196 Hp and 445 Nm . Stock was 145.8 Hp and 343 Nm . First map was 186 Hp and 420 Nm . I hade it custom mapped to suit my wishes , to let torque peak at higher revs and rise slowly to be safer for the clutch and DMF ( learned the hard way with my previous car ) . Most tuners let it peak at 2000 RPM because then theyre map will be more noticeable . My power curve now rises steady and power output is very linear trough complete rev range .


Edited by Hangterisaan, 20 July 2014 - 09:07 AM.


#18 OFFLINE   Hangterisaan

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Posted 20 July 2014 - 09:48 AM

I would love to upload the dyno but it says i can only upload files smaller than 10.54 kb... i'll try a image upload site

 

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Edited by Hangterisaan, 20 July 2014 - 09:49 AM.


#19 OFFLINE   Lagaffe

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Posted 21 July 2014 - 04:36 PM

great curve ! :)


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#20 OFFLINE   Lagaffe

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Posted 21 July 2014 - 04:36 PM

great curve ! :)










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