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Maintenance & Repair Synthetic motor oil
8536 messages, Last post on Nov 21, 2009 at 9:34 AM
You are in the Maintenance & Repair Forum. Your Host is mr_shiftright
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Replying to: ruking1 (Jun 19, 2009 2:05 pm)  ) . I was just wondering if there was any potential issue with mixing 0W with 5W.
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Replying to: jeffyscott (Jun 19, 2009 3:53 pm) Between the two Mobil One normally yields better UOA's, but it does seem you are more concerned with the negative implications.
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Replying to: ruking1 (Jun 19, 2009 4:44 pm) |
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Replying to: imidazol97 (Jun 16, 2009 1:42 pm) Also if you are really curious about compatibility with the residual oil left behind by by the other brand,there is no compatibility issues. If you are truly concerned about the condition of your motor, have the old oil Exxon SF you take out analyzed, and then analyze the QC when you pull it. As a general rule (without analysis) you can go around 5,000 miles and or three months with a safe level TBN number, most of the time. |
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I just bought a pair of 5 quart jugs of Mobil 1 15W-50. After a few hundred more miles on the clock, this will be my next oil change for my 2007 Triumph Rocket III. I also plan to change the oil in my 2005 Ford Escape next time to the Quaker State Q 5W-20 I bought during the "intro" sale. For the record, I got it all at Walmart. Now that the really low prices on brand name petroleum oils seem to be gone for ever, the economics of using full synthetic products with extended OCI seems appealing again.
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Replying to: wtd44 (Jul 27, 2009 6:42 am) I have also researched Mobil One MB 229.1 5w40 and MObil One 5w30 VW 507.00 I might go to one or the other when my Total Quartz INEO supply runs out. I have kept one  20,000 miles (Mobil One 5w20, 0w20) as the oil filter change oem recommendation is 20,000 miles also so it just seems logical to do them all together.
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Replying to: ruking1 (Jul 27, 2009 6:53 am) |
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OK, lets say you are an oil change fanatic and change your conventional oil every 3000 miles. (Yeah, I know you think that's too often but let's keep on track) How often would you change a full synthetic to keep your fanatic level the same?
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Replying to: oldfarmer50 (Aug 04, 2009 2:20 pm) I'd fit your profile. I've always done 3K w/conventional, but in the last year have started using syn 5K. Oil and filters are just soo cheap comparatively speaking, there's really no need to risk long OCI's.
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Replying to: kiawah (Aug 04, 2009 3:38 pm)  As a non fanatic, as long as we are not talking about cars with turbos or anything, I figure 5000 miles is good for conventional and 10K for synthetic. |
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