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OM642 gt2056v hybrid gt2365v

 
Old 12-17-2018, 12:29 PM
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OM642 gt2056v hybrid gt2365v

Good evening all.

I have a 2006 c320cdi 95000 miles.
Cat internals removed.
Swirl flaps removed.
EGR has been blanked at the intake system.
Recently installed a hybrid turbo, gt2056v with a gt23 turbine from a C30amg paired with a 65mm billet compressor wheel. Therefore turbo is now a gt2365v.

Recently took the car to a reputable tuner, when tuning on the dyno the pre-turbine exhaust back pressure was very high, only allowing 280bhp and 450lbft of torque. The turbo was built by a reputable company, who assured me id see around 350bhp. Additionally these exact internal on a BMW330d regularly see 550lbft and 370bhp, I know the BMW runs a slightly different gt2260v as standard, but the turbo company are convinced it should be working effectively in my housing and have seen it work effectively on other engines.

Does anyone on the forum have any experience tuning the om642 engine that may be able to shed some light?

Many thanks,
Adam
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Old 12-17-2018, 12:48 PM
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Welcome to the forum.
Please fill up your profile, so we know what country you are in and what you drive without asking each time.
I am afraid you might be first one coming to the forum with such dilemma. Most members here are from N America, where tuning is not popular as in other countries.
We just spend money on AMG models when we want high performance.
Few of us did tune MB diesels, but that mostly has deleting DPF in mind and FYI the 642 engine did not make it here till 2007.
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Old 12-17-2018, 12:58 PM
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Thanks,
I have filled in my key information.
Ok thanks for the input, lets hope there is somebody with a little experience with the OM642.
Many thanks,
Adam
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Old 12-19-2018, 09:20 AM
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You might want to contact Malone Tuning at https://www.malonetuning.com/


They're obviously in the US, but may very well have affiliate shops in your neck of the woods. They have an awesome reputation...
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Old 12-19-2018, 01:43 PM
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[QUOTE = saunders123; 7632051] Jó estét.

Van egy 2006 c320cdi 95000 mérföld.
Cat belseje eltávolítva.
Az örvénylapok eltávolítása.
Az EGR-t a beszívó rendszerben eltakarították.
Nemrég telepített egy hibrid turbót, gt2056v egy gt30 turbinával egy C30amg-ból, amely egy 65 mm-es billet kompresszor kerékkel volt felszerelve. Ezért a turbó most egy gt2365v.

Az utóbbi időben egy jó hírű tunerbe vitte az autót, amikor a dinamikus hangolásra az előturbina kipufogó nyomása nagyon magas volt, csak 280 bhp és 450 lbft nyomatékot adott. A turbó egy jó hírű cég által épült, aki meggyőződött róla, hogy körülbelül 350bhp-t lát. Ráadásul a BMW330d rendszeren belül ezek a belső részek rendszeresen 550 lbft és 370 bhp-t látnak, tudom, hogy a BMW alapfelszereltség szerint kissé eltérő GT2260v-t fut, de a turbó cég meg van győződve arról, hogy hatékonyan kell dolgoznia a házamban, és látta, hogy hatékonyan működik más motorokon.

A fórumon bárki tapasztalattal rendelkezik az om642-es motornak a tuningolásával kapcsolatban, amely némi fényt kelthet?

Nagyon köszönöm,
Adam [/ quote]



Hello,*how much boost pressure you run now? .. and Vnt ring*changed to the turbo? ... the gt2056v turbo orig small Vnt ring..
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Old 12-19-2018, 03:23 PM
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Hi,
thanks for your reply, i have had a look at your E-class build.
The car is currently running 1.5bar of boost, I am unsure about what vnt was used, I shall ask the company that built the turbo.
Thanks again.

Last edited by saunders123; 12-26-2018 at 04:17 PM.
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Old 12-20-2018, 05:26 AM
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Vnt ring*changed to the turbo? ... the gt2056v turbo orig small Vnt ring..[/QUOTE]

the turbo company said it has the standard VNT, but they seem to think it is ok. I have a before and after flow chart of the turbo at home, i shall take a photo later
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Old 12-20-2018, 01:48 PM
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Originally Posted by saunders123 View Post
Vnt ring*changed to the turbo? ... the gt2056v turbo orig small Vnt ring..
the turbo company said it has the standard VNT, but they seem to think it is ok. I have a before and after flow chart of the turbo at home, i shall take a photo later[/QUOTE]

I understand ... this is not really good...the exhaust gas in the vnt ring come to turbine shaft .. if first it is not replaced... exhaust back pressure only slightly decreases...
there is bigger (gt2260v etc ..) I do not know why not changed...
The turbo pressure good...it can not be too high..because the engine may be damaged..
Unfortunately, the om642 engine It's hard to tuning....
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Old 12-20-2018, 02:12 PM
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Hi, once again thanks for your reply.

Turbo before and after modification. But this is just on a flow bench so there is no real pressure.
im going to do some data logging on the road in the next week or two. This way I can go to the turbo company with graphs and evidence to back up my claims.
thanks,
Adam
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Old 12-25-2018, 03:37 AM
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I want to buy a car. More precisely not only myself. For the whole family. Family car for comfortable trips. I'm driving a Ford Aspire right now, like this Tata Tiago Tell me, please, what better car to take for the whole family. Thank you very much!

Last edited by Shadowbourne; 12-26-2018 at 03:36 AM.
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Old 12-25-2018, 09:45 AM
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Old 12-26-2018, 02:28 PM
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4th gear pulls, done a little data logging ended up with this.

The veins are fully open, but the pre turbine EBP keeps increasing. So the turbo company should have used a bigger VNT, at least thats my take on it?
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Old 12-30-2018, 06:01 AM
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Originally Posted by saunders123 View Post

4th gear pulls, done a little data logging ended up with this.

The veins are fully open, but the pre turbine EBP keeps increasing. So the turbo company should have used a bigger VNT, at least thats my take on it?
Yes ..the exthaus limiter the VNT ring .. Hight exthaus temperatur ..and back pressure .. which is short the life of the engine and turbo.. and of course less performance ...
but it should be noted..which will not know as much performance...like BMW 30D engine.. like turbo like you..(Better VNT) 3.0d 2.2 - 2.4 bar turbo pressure make ca. 340-370 ps
but OM642 can't handle it (very dangerous) so much turbo pressure ,, BMW engine interior parts..others OM642 ..
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Old 05-06-2019, 03:49 AM
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Unfortunately the data logging I have access to outside of work is not as good as what I am used to. I have been trying a different software called OBDwiz, the data logging function is better but variables are not all readily available so now trying to set up custom PID's. Anyway I think at around 2400rpm to 2800rpm I am now hitting some sort of torque limiter. Airflow through the engine has been increased by more than I though by just changing the exhaust. Shows how restrictive the standard on

New vs old

New vs old
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