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Re: GM 2.8 Duramax - Delvac ESP 5w40 CJ-4 - 5300 miles [Re: CleverUserName] #5318474 01/10/20 08:11 AM
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BSPUSA Offline
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Bringing back to life this "argument" I mean thread. If you all need some partial input to settle this, it's the same engine with minor alterations and neither of those articles are very good technical documents. A technical document at a bare minimum would be some sort of manual found here for the liberty CRD: https://jeep-manual.ru/files/KJ/25CRD.pdf . Okay enough of that, the reason I'm interested in this thread is I'd like to build one of these engines for high horsepower and torque. Does anyone have any ideas on aftermarket performance parts for these engines? I'm going through the jeeps colorados canyons etc in my searches but I'm having limited results returned. Any ideas from anyone on here on any variations of this engine with performance parts? TIA!

Re: GM 2.8 Duramax - Delvac ESP 5w40 CJ-4 - 5300 miles [Re: BSPUSA] #5318490 01/10/20 08:32 AM
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kschachn Offline
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Originally Posted by BSPUSA
Bringing back to life this "argument" I mean thread. If you all need some partial input to settle this, it's the same engine with minor alterations and neither of those articles are very good technical documents. A technical document at a bare minimum would be some sort of manual found here for the liberty CRD: https://jeep-manual.ru/files/KJ/25CRD.pdf . Okay enough of that, the reason I'm interested in this thread is I'd like to build one of these engines for high horsepower and torque. Does anyone have any ideas on aftermarket performance parts for these engines? I'm going through the jeeps colorados canyons etc in my searches but I'm having limited results returned. Any ideas from anyone on here on any variations of this engine with performance parts? TIA!

Rather than resurrecting an old thread in the oil analysis section it would be better if you post this maintenance question in that area.


1994 BMW 530i, 251K
1996 Honda Accord, 280K
1999 Toyota Sienna, 430K
2000 Toyota ECHO, 284K
Re: GM 2.8 Duramax - Delvac ESP 5w40 CJ-4 - 5300 miles [Re: BSPUSA] #5319034 01/10/20 06:59 PM
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CleverUserName Online Content OP
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Originally Posted by BSPUSA
Bringing back to life this "argument" I mean thread. If you all need some partial input to settle this, it's the same engine with minor alterations and neither of those articles are very good technical documents. A technical document at a bare minimum would be some sort of manual found here for the liberty CRD: https://jeep-manual.ru/files/KJ/25CRD.pdf . Okay enough of that, the reason I'm interested in this thread is I'd like to build one of these engines for high horsepower and torque. Does anyone have any ideas on aftermarket performance parts for these engines? I'm going through the jeeps colorados canyons etc in my searches but I'm having limited results returned. Any ideas from anyone on here on any variations of this engine with performance parts? TIA!


Not much is available in NA for these yet.

There are a set of Carrilo rods for the 2.8 Duramax.

No pistons or anything else. Blackbird solutions has a different turbo wheel that fits in the OE housing. Supposed to be capable of 36 PSI boost. Nobody makes a custom exhaust maniford or adapter to use other turbochargers on these engines yet. Not much aftermarket support considering this engine has been out for 4 years now.

The 2.5 and 2.8 Duramax has been around for quite awhile in Asia and they do have a racing scene so there may be parts available if you make some calls to the right person. I'd love to do a 250 HP build with a set of steel pistons myself.

Re: GM 2.8 Duramax - Delvac ESP 5w40 CJ-4 - 5300 miles [Re: CleverUserName] #5323034 01/15/20 12:33 AM
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I would pass on the 2.8 and look at the new 3.0L inline 6.

Re: GM 2.8 Duramax - Delvac ESP 5w40 CJ-4 - 5300 miles [Re: CleverUserName] #5326697 01/19/20 12:39 AM
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53,000km, and the DPF regen hasn't happened once...niether has the Cpativa...


If it's the truth....it can handle the pressure !!!
Re: GM 2.8 Duramax - Delvac ESP 5w40 CJ-4 - 5300 miles [Re: Shannow] #5326938 01/19/20 10:19 AM
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Originally Posted by Shannow
53,000km, and the DPF regen hasn't happened once...niether has the Cpativa...

On our GM 2.8 it regens every approx 500-700 miles. You need to see it with an advanced scantool because there is no indication on the dash.


2010 Ford Escape 2.5 ~102K Miles: Castrol Magnatec 5W-20, Wix Filter.
2001 Chevy Suburban 5.3 ~290K Miles: Valvoline Maxlife 10W-30, ACDelco Filter.
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