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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: shipo (Dec 21, 2007 11:39 am) Baring the doubling is understanding the modifying variables. So almost a sub variable but might be considered a main variable: 1. a percentage increase due to the greater "sump" with the addition of a bypass oil SYSTEM 2. use of a bypass oil filter. 3. Refreshment is NORMAL but "refreshment" for any condition indeed alters dilution rates, etc. Again, not a BAD thing. So indeed at BEST the documentation is sloppy. With no response to inquires, I would concur with your assessment. |
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Replying to: shipo (Dec 21, 2007 11:39 am)
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Replying to: highmiler650 (Dec 21, 2007 1:57 pm) |
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Replying to: highmiler650 (Dec 21, 2007 1:57 pm) So? I use a Pela 650 dipstick oil extractor. Who cares? The fact is that to do six UOAs, six oil samples HAD to be removed from the engine and sent off for destructive analysis. I use oil analysis too and trust me; they don't send your oil back to you when they're done with it. So, either he's lying about having the UOAs done in the first place, or he ran his engine low (doesn't sound probable given the rest of his post), or (most likely) he added oil throughout the 30,000+ miles of the test and then lied about how much he added. Best Regards, Shipo |
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i saw some good M1 uoas on 15 k ocis on bitog...i guess it actually can go 15k on same oil...dont know if i'd i would be that brave....anyways i see where motorcraft synblend is only ten bucks at walmart for 5 qts and it gets pretty good analyses at bitog...any comments on the MC?...it seems like a great deal...what do people think of 5-20 oil?...i am using that in my focus...honda reccomends it too
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Replying to: chetj (Dec 21, 2007 3:00 pm) To me, a bit off topic, as the word "synblend" connotes hydrocracked from the less than group IV anyway. I also realize that to some, this might be seen as a personal bias. However, for the record I ran (conventional-"NON synblend ") oem fill, so called "break in oil" for the first 10,000 miles OCI as per OEM Honda recommendation. Indeed if you MUST have a "synblend" you can truly make your own and know EXACTLY the ratio. In addition, unless you dig much deeper, what is the ratio of hydrocracked, so called "syn" vs normal? It is certainly NOT PLASTERED all over the container!? How is that statistically significant over say MotorCraft 5w20 anyway? So the "NON" hydrocracked conventional oil will do the trick, ESPECIALLY if you do less than 10,000 miles OCI's anyway. Indeed you might scan the UOA's at BITOG AND the MotorCraft web site to compare and contrast the synblend against the NORMAL MotorCraft 5w20 oil to see if the benefits are worth the premium (why spend 2 per qt when one $ /sub one $ will do? In addition, if you are not going to keep the vehicle beyond 50,000 to 100,000 miles; why are you doing less than 10,000 mile OCI's to begin with?). The normal MotorCraft is good to go to 10,000 mile OCI's for those Ford and Honda specifications (Ford specification being much more stringent than Honda) In closing if I decided to continue to use conventional oil (5w20 that meets the Ford and Honda specifications of course), I would buy on price. (MotorCraft, ExxonMobil Superflo, etc) ALL (5w20) are robust by virtue of the specification. Are there individual differences? Absolutely!! |
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It's about the time for me to change the oil for my 03 camry. I was wondering, where is the best place to chang oil( Walmart, dealership, express lub, or Jiffy lub). I heard somebody said Walmart hire some high school kids to do the oil chage for you. The Toyota dealership charge me more than $30 only using non-synthetic oil. I am planing to buy Mobil 1 at Walmart and get oil change from a good shop. I really appreciate any opinions and suggestions. Thank you very much for any information! |
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Replying to: dchen2003 (Dec 24, 2007 2:32 pm) |
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Replying to: dchen2003 (Dec 24, 2007 2:32 pm) |
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Replying to: blufz1 (Dec 24, 2007 7:32 pm) If I use Mobil 1 motor oil is it necessary to use Mobil 1 filter also? My dealership use $5 oil filter, but Mobil 1 filter cost around $10. Does an oil filter really make a big difference, which like switch from conventional oil to synthetic oil?
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