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I plan to dump this oil @ 10k mi mark. Should I be concerned with Copper?

Here's a recent UOA I just pulled from my '13 F350 6.7L My plan is to extend out to 10k miles (OCI). Also noticed a decrease in sodium this OCI. Why does Schaeffer's use so much sodium in their oil? Stay with T6 or go back to Scheaffer's 5w40 ??? Comments/Input?

Here is my latest UOA on my '11 F350 6.7L. Truck is DPF & EGR Deleted. I switched to T6 5W-40. Hoping to see a drop in sodium. Any advice on next OCI? 10k? 12.5k?

Here's my new '13 Audi Q7 TDI. Early UOA is my ritual on all my new cars. Audi specs a 2- 5k OCI's then 10k after that. TBN looks low now for a 10k run. But I might be wrong?

Here's another report. Oil came up 1'' over the full mark on my Dipstick & had to dump the oil. This DPF is really getting on my last nerve.

Just got my '13 Audi Q7 TDI. Curious on what VW uses as Factory Fill? Not many VW 507 oils out there. Do they make a Castrol SLX 5W-40? Or is that only a 5W-30?

I have a '04 Land Rover Discovery 4.6L V8(50k miles) I shipped it overseas to my vacation house in Macedonia. I have done 2 OCI's with Fuchs Titan 5W-40. Should I continue with Fuchs or switch to another oil? German Castrol 10W-40 is available at some gas stations but the price is NUTZ...

Here's a VOA of Amsoil Racing 15W-50

Recent UOA of my Mercury Verado Outboards(7qt sump). Amsoil WCF 10W-40. From what I can see they have been improving. I switched to M1 15W50 at this OCI. Hope to get better results with fuel dilution/shearing. Port Engine STBD Engine

I was thinking about trying Amsoil's Racing Dominator Oil 15W-50 for my Mercury Verado Outboards. Merc Calls for a 25W-50. Is it safe to run in a Marine application?

Here is my '04 Sea Doo RXP. 1498cc, 215hp, Supercharged 3-cyl. 1st ever UOA on it, and Blackstone's 1st also. "This is the 1st sample from a supercharged Sea-Doo we've seen, so we're starting our average file now. But we have seen our share of gasoline engine oils and we have a pretty good idea...

I was curious to see how Mercury Verado 25W-50 would do on a VOA. Interesting to notice its very similar to a HDEO oil. Can anybody guess what oil it really is? FYI this oil Retails for $42/gal. "This looks like a solid diesel-use oil with a strong additive package. The main additives are...

This sample jumped up at me, Fuel came up to 3.5% from 0.5% last OCI, and a trace of coolant???? "Balla: The sodium that turned up in this sample is a questionable finding. It might show some coolant in the oil, though with wear metals all holding steady and no serious potassium(another marker...

Here is my '07 Porsche Turbo I-6 3.6L Twin Turbo. Car has a few mods. Tubi Race Exhaust(NO CATS) & Evolution motorsports 600hp tune. Drive it few times a month. It has a couple track days on the OCI. By mistake I ran this oil just over 2years. Lead from the last sample was from a track weekend...

This is my 3rd UOA on my '05 Mercury Verado 250's. They are I-6 supercharged outboards. They are on a 29' Everglades Center Console 10k lbs. Cruise between 4-5k RPM. Majority of the hrs are slow trolling(idle-1,200rpm). My main concern has been Fuel Dilution. Currently running Amsoil WCF 10W-40...

I ran this oil for about 5,300 miles. Everything looks good to me. I was worried about fuel dilution at my 1st sample but that looked to be just the NEW motor wearing in. I did log that my 1st tank of fuel yielded me 10mpg, now im at 15mpg avg. @ 20k miles. So that could explain were some of my...

I have purchased a few cases of Scheaffer's 9000 5W-40 and was wondering if I can use it in my S550. Has anyone else used it in a European car? It does say for Gas & Diesel Engines but not sure if it meets the MB specs. Thanks!

Looking for an oil to switch to and stick with for the life of the truck. I have about 20k miles on it now and would like to switch to a Synthetic. I have heard good things about Amsoil, Rotella, Shaeffer's. But don't know which one would be best? Thanks for any input.

I have twin '05 Mercury Verado 250's with about 700hrs. My last 3 changes have been with Amsoil WCF Marine 10W-40. I was wondering if Mobil 1 15W-50 would be a good 2nd choice. I've done a UOA in the past (not sure what oil) and my fuel dilution was about 3-4%. Should I stick with the Amsoil or...