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    Anyone know what the SAE/API ratings are for dexos D, 0W-20?

    Only two approved oils, ACDelco and Mobil (same oil as XOM is the supplier for ACDelco) but nothing on websites gives any information.
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    2019 L5P Duramax Rotella T5 15W-40

    Not yet decided on OCI for this truck. My age and how much I still want to crawl underneath one is certainly a factor. If I go a longer interval the Rotella would be a better candidate than the Delvac. While the L5P only shares a name and displacement with predecessors it looks to be as easy on...
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    No one has posted the C8 interior yet?

    Pic of the new C8 dash
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    2019 L5P Duramax, Delvac 1300 15W-40

    I wanted to add an L5P UOA. GM made significant internal changes with this version of the DMax, but it appears wear rates will be in line with the earlier versions in dnewton3's database. Oil sampled and changed at 5% on the OLM. From comments in other Dmax UOAs, copper can be elevated with a...
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    Less expensive deionized water

    The search function didn't show that this has been posted before. I live in the SE, bought my first black car and started searching for preventing water spots. I came across this thread on a motor home forum. Seems like all the purchases are for the CR system, Simple Chuck, or DI Rinse Pro; all...
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    Question for the Schaeffer reps

    I've used several Schaeffer products and have been pleased. I've done UOAs on your oil and they returned good results, but fuel additive results are subjective. In Schaeffer's Technical Data for diesel additives they claim some level of improvement in the cetane index from 2 to 4 points. However...
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    Anyone have an opinion on Schaeffer's Carbon Treat

    Seems to be a relatively new product. The new buzzwords in the additive industry are asphaltenes and IDID cleaning. Asphaltenes are why your fuel filter is black and the new standard for cleaning internal injector deposits is the Peugeot DW10 Injector Depositing Test which something different...
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    Lubrication Engineers 8854 in 2011 3.0L VW Touareg

    Particulars are 48,604 miles on engine, 6,765 miles on this oil fill. No oil used so on additional oil added. Fuel milage consistent. Previous UOAs with different oils can be found under my user name for comparison.
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    RLI Biosyn 5W-40HD in 3.0L Touareg 6300 mile OCI

    I still believe I'm the only person with this engine posting UOAs so there is nothing to compare my numbers to. 6300 miles on this fill. 23,800 on the vehicle. Fuel has mostly been commercial Shell B5 with RLI summer additive. Driving habits were mostly local as opposed to highway on my previous...
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    RLI Biosyn 5W-40HD in 3.0L Touareg 8500 mile OCI

    8,500 mile OCI on the RLI. All fuel was bio-blend either commercial B2-B5 in PA and NJ or splash blended by me to B1. FPPlus additive used at each refuel dosed at 1oz/5gallons. I sampled this as a raw data report without comment by Dyson. My engine is still wearing in. I don't know how much...
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    RLI Biosyn 5W-40HD in 3.0L Touareg

    This is a good analysis of an oil formulated a bit differently from the normal synthetic. 5,000 on the oil, 14,000 on the vehicle. Iron dropping nicely and I'm hopeful aluminum will show lower in next report. The high copper number is because RLI uses copper in their formulation. I'll do...
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    3.0 TDI Fuchs Titan GT-1 3W-30 Longlife. VW 507.00

    The Code format still gives me fits so I'm going to link the image also. Vehicle is a 2011 VW Touareg. Factory fill changed to Fuchs at 5,452 miles and Fuchs changed out at 9,018. Variables are that D2 with Opti-Lube XPD used with factory fill and B2 with RLI summer additive used with Fuchs...
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    VW Factory Fill. 2011 Touareg 3.0 TDI

    Sample was taken at 5,452 miles on oil and engine and analyzed by Dyson Analysis. The explanation and analysis is proprietary, but the general comment was this is a normal report for a new engine with inadequate lubricant for an extended OCI. Terry recommended changing the oil which I did with...
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    VOA Fuchs Titan GT1 Longlife 5w-30 VW 507.00

    I have a 2011 Touareg TDI and my plan is to keep the factory fill for the full 10,000 miles with a sample done at 5,000. I think I would prefer not to use the dealer supplied Castrol and plan to use either the Fuchs, Motul Specific 507 or M1 ESP going forward. While under warranty I'll supply...
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    VOA Motul Specific 507

    I have a 2011 Touareg TDI and my plan is to keep the factory fill for the full 10,000 miles with a sample done at 5,000. I think I would prefer not to use the dealer supplied Castrol and plan to use either the Fuchs, Motul Specific 507 or M1 ESP going forward. While under warranty I'll supply...
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