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I was running Quaker State Ultimate Durability. Change to Castrol Edge(the new formula with titanium) with dramatic improvement in smoothness and power.
OIL CHANGED YESTERDAY
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Indeed. :thumb:RIT333 said:
My story is a little boring. Drained out the GM Dexos1 today, 5300 miles, OLM was at 3% and installed GM Dexos1. I did sniff, try to ignite with a lighter and tried a simple taste test of the dip stick. No fuel detected. 8)
wbassnp007 said:
Why is it you never read much of anything about the type of oil being used or should I say oil making much of a difference in performance or engine operation until the 2011 GMCs products hit the market? Some people used synthetic and loved it others used Dino oil and loved it. Now we not only have a controversy over synthetic or Dino but even what brand.
If all Terrain & Nox owners used the different additives and oil folks have raved about we would be getting 40MPG, 0 to 60 like a Corvette and there wouldn't be any engine problems.
Only my opinion of course---------your mileage (and performance) may vary.
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I don't think that I would do it for free. If they offered some type of compensation, I would consider it. Especially if the number was high enough. However, people would think that a conflict of interest existed since I was offering my "unbiassed" testimonial for a fee>RIT333 said:
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I'm very happy with the Castrol Edge with Titanium. Apparently the Titanium is used to "fill in" microscopic holes in the metal thus reducing friction and producing increased laminar flow.
I'm definitely going to try Mobil Extended performance and compare. Although Castrol "advertises" 8X better wear protection than Mobil 1.
My local machine shop has informed me that regular oil molecules are not round. Synthetic molecules are rounder and thus can fit in greater numbers in moving parts thus reducing friction better. He is also a proponent of Amsoil. So take it for what it's "worth". :shrug:
I'm definitely going to try Mobil Extended performance and compare. Although Castrol "advertises" 8X better wear protection than Mobil 1.
My local machine shop has informed me that regular oil molecules are not round. Synthetic molecules are rounder and thus can fit in greater numbers in moving parts thus reducing friction better. He is also a proponent of Amsoil. So take it for what it's "worth". :shrug:
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The unusually low percentage on OLM relative to miles driven might have something to do with your driving or the conditions driven in which affect the OLM factors it uses to make the computation. Calibration if OLM as a secondary thought is also possible, but less likely. As a side, I did notice burning of some oil, first time ever, on my second car, using Quaker State Ultimate Durability. Also, first time ever, I went to 20% on the OLM with 7000 miles driven. This number with other brands is at least 7500 miles.ChevyMgr said:
No reprogramming has been done to the ECM. This was mostly city driving except the last 1000 miles on trips to Arkansas and San Antonio. Came on during the way back from San Antonio. My build date was 11/5/10 and I believe GM changed the algorithm on all their vehicles around that time. We are seeing most late build 11's come in around 5K which is as it should be in my opinion.RIT333 said:
I agree. I wouldn't go past 5K. Our '00 Malibu is at 248K right now and has 5K interval all its life. Doesn't burn any or leak oil. Why change what's workedChevyMgr said:
That seems like the old programming. Our '03 Olds Silhouette was like that. Change it at 5K and it would still have 70-80% showing on the DIC. At 150K when we traded it in on the Equinox, it was running like a champ.adamdude said:
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248K is quite impressive for sure. I'm at 74% at 4672 miles driven with a mix of around town and highway. My mpg is not very good showing 20 on the computer.
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