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Mobil Delvac 1300 10w-30 my Excursion starts are smoother than with a 15w-40, it gets even better with old Esso XD3 0w-30. You don't need a 0w-30 in your climate but the 6.0 still prefers a 30wt. I had a shop not put in the oil filter I supplied after they did some work for me, a Mann filter to...

Originally Posted By: marc78 I just purchased a 2010 caravan with the 4L, I couldn't beleive the oil cap called for 10W30. I assume manufacturers don't use break in oil any more, so before leaving the dealership I purchased a filter, stopped at Wal-Mart got some Penzoil 5W30 and changed the oil...

Originally Posted By: Super Chevy tuckman, I usually run wix filters but have run K&N on occasion... the filter is located directly above the front differential so there is NO room for a larger filter and the stock filter is small. I think the bypass would let me (mentally, LOL) allow for...

I just made one for myself.

Originally Posted By: Jim Allen Originally Posted By: bepperb Put some numbers into the Widman calculator and you'll see your theory that a 5-30 and 5-40 "should be the same" doesn't hold up. Once you see this, there is no debate. Can you get me one of those with xd3 0w-40, 0w-30, t-6...

I would go for bypass filtration on your 8.1 if you can handle extending your drain intervals, with guidance from UOA's. There would be no benefit of the bypass kit if you stick to 3k even 5k OCI's. Can you fit a bigger filter in the current location? What filter brand do you currently use?

Originally Posted By: SubLGT Originally Posted By: prs ..............Both 5W synthetics, but “Oh what a difference” for my Toyota. prs I would bet that the T6 and PP have very different CCS specifications, despite both being 5W-XX. That is what I was thinking the whole time I was reading...

Originally Posted By: Steve S You change syn oil at 5,000 mile oil change intervals? I am waiting on UOA back on my T-5 0w-30, I only went 5k on this run (1st UOA on my 2005 Ford Excursion 6.0L). Depending on the oil 5k-7.5k is a normal run in a 6.0L psd, due to the HEUI shearing oils pretty good.

Originally Posted By: badnews No matter what is best No matter what will work there will always be that small segment that does what the owners manual "suggests" no matter that there might be a better option out there. Why they ask for advice -- I guess to see it it coincides with what they...

Originally Posted By: BobFout Why there are a variety of 0w40 and 0w30 oils in Toronto, Ottawa or Montreal but not right across the (US) border remains a mystery to me. We have the same weather as them. (-35C to 0C) If I don't go to bulk dealers I hardly see those oils either. I see XD3 at...

Originally Posted By: G-MAN Originally Posted By: STG Originally Posted By: badnews Well the fact is they are number one right now because they are the cheapest not the best . They married the WalMart and well lets face it Shell Rotella is the cheapest oil you can buy that will get you by...

Originally Posted By: BobFout Why do you get all the COOL oils up there? D1 ESP 0w40! Rotella 0w40! PC Duron 0w40! Esso 0w30 and 0w40! Because we get all the cool weather up here. I remember a January morning -72C in Northern Alberta (Google map Fox Lake, Alberta), still not far enough north...

Originally Posted By: Zaedock I never indicated that 0W-30 was not good enough for your Powerstroke. I only offered advice that UOA's may not necessarily indicate a mechanical problem. So now you know the whole story. Also that I want the UOA's to see how the oil is doing more than looking...

Originally Posted By: ItsuMitsubishi Is there any way to tell if D1 in question is "developed in Canada" at all? Just trying to figure out if it's a rebadged Imperial Oil product, or simply imported from the states. So far the D1 ESP 0w-40 looks to be XD3 in a Mobil jug as the specs on the D1...

Originally Posted By: Zaedock One UOA most certainly isn't proof that 0W30 is fine in your diesel. UOA's can be useful tools to tell you how the oil is holding up and give you some idea on how the engine is doing, but I wouldn't consider it concrete fact. I remember BuickGN having a good UOA...

In most applications 0w oils would perform very well. The problem is in the myths about 0w oils or "Its thicker so it has to be better" mentality. I have been told 0w oils are voodoo to only be used in Siberia or the arctic and should be changed out after the ambient temps are above freezing...

Originally Posted By: John With Beastly 302 So should I be planning on changing the bulk Mobil Clean SM out ASAP on the 460, or just run it till the end of this OCI, which for the amount of driving I do is 3K or one year because I barely put 3K on the truck. The OCI right now has got about 2...

Originally Posted By: Garak Originally Posted By: tuckman From what my bulk dealer told me there will only be one 15w-40 oil in the Mobil Delvac 1300 Super lineup of oils. So there will be no 5w-30 or 10w-30 HDEOs from EssoMobil? If that's the case, I had better hurry. She said there will...

I pick my synthetics based on their cold weather specs as I see -50C weather in the winter.

Use that oil in everything you own! Once I get some more hours on my lawn tractor it will be going in it too. I really like how the gray bottles looks when I grab one in each hand and walk up to the counter to pay.