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Best Oil for DPF/EGR Deleted OM642?

 
Old 04-09-2019, 01:50 PM
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Best Oil for DPF/EGR Deleted OM642?

Lord willing, I will be completing the DPF / EGR delete this weekend in my new to me 2009 GL 320. What is the best oil to use now that I don't have to worry about low ash oil? It has 60k miles and the looks well maintained. I live in a hot environment (Houston TX). Thanks.
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Old 04-09-2019, 01:52 PM
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On my older diesels I've been using Rotella T6
Still delete or not, after reading about several of those engines turning oil into pudding, I would send 2000 miles sample to Blackstone.
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Old 04-09-2019, 03:58 PM
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I would also recommend Rotella T6
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Old 04-09-2019, 05:28 PM
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'07 ML320 CDI
I have been running the Green Diesel Engineering DPF/EGR Delete tune on my 2007 ML320 for the past 100,000 miles (165,000 on the clock) and have been using Rotella T6 at every oil change. During that time the oil change intervals have been ~10,000 miles. There have been no signs of sludge/varnish build up whatsoever and the oil at 10,000 miles after the EGR disable is still somewhat clear/yellow. Before the EGR delete, my oil was jet black after ~500 miles.
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Old 04-09-2019, 07:53 PM
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I use liqui moly 5w40 leichtlauf high tech. I have had good oil analysis reports with it. You may want to compare additives with the rotella. I was tempted to try for the cost. I figured if not made for vehicles with the DPF all the better.
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