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My latest UOA. Oil used up to about 135,000 was Valvoline white bottle. From 135 to 150,000, I slowly transitioned to Valvoline high mileage 5w-30.. From 150 to about 165k, it was Valvoline high mileage. Around 165,000 i transitioned to Costcos oil.

This is for my 2010 Traverse. Oil sample taken at 152,653. Ive included all of my UOA. My interest in the UOA- is to monitor for elevated iron levels-- pointing to timing chain wear. As can be seen the engine now uses more oil. I check the oil levels weekly and make sure its stays up. Seems that...

Latest. Was curious about the iron levels to see if my timing chain is wearing. I've always suspected that higher iron #'s, points to timing chain wear. (any truth to that?) How about the Magnesium? Big jump ? This engine has used nothing but Valvoline Conventional 5W-30 Though I have had to...

Was in Mexico for the holidays. While there I changed the oil on the vehicle we use there. 1995 Honda Passport V6. I went to local auto parts and bought oil. I asked for 20W-50- and this is what they had. Quaker State 20W-50 'Racing oil'. (marketing I guess????). I drained the old stuff-...

So, My oil change intevals have been 5,000 miles. Fairly consistent. Ive posted my UOA- always showing low iron. I have a 2010 Traverse. Its the 3.6 Direct Injection engine. I've used nothing but Valvoline Conventional 5W-30 exclusively. The vehicle turned 118,000 this morning. Running great...

Valvoline Conventional 5W-30--- aka--- Valvoline White Bottle This oil change was done right before our family road-trip. Using AC-Delco PF-48E. Los Angeles to Aguascalientes, Mexico. Round trip was 3,610 miles. The next 1,303 miles consisted of my daily commute to work. My commute has...

Vehicle now at 50,000. This is the 'older' formulation of PP. (not made from Natural Gas). OLM was at 1% left.

My most recent UOA- done @ 105,001 Valvoline Conventional 5W-30, the only oil used in this engine since new. Im very pleased with the report. With the low iron- it appears to point to no timing chain iron being shed. oil filter used- PF-48E. At 100,000- I changed plugs, air filter, Oxygen...

Posting this for a fellow Acadia owner. Need your assistance. Just did the OA. Let me know what I should worry about. I usually get my oil change thru the dealer. Somehow, I got a feeling that I'm getting jammed with $$. So, I went with the quick lube chain. This time for sure, I know the shop...

So during Xmas break- We drove from Los Angeles to Guadalajara,Mexico and spent some time in the Mountains of the neighboring state of Zacatecas. I changed oil at 4,185 for 4 reasons. 1)We were heavily loaded. (cargo rack, 3rd row full of cargo, roof bag), 5 on board. 2)217 miles was on dusty...

Posting this for someone else. Comments/questions? Report Date: 07/28/14 Unit ID: 11 ACADIA Lab No.: G24522 Fuel Type: Gasoline (Unleaded) Oil Type & Grade: ACDelco Dexos Synthetic Blend 5W/30 Make/Model: GM 3.6L V-6 (LY7) Sample Date: 07/24/14 MI/HR on Oil: 3,079 MilesMI/HR on Unit...

So- ive been seeing posts on forums- where folks say that running Conventional oil in newer engines can lead to sludge buildup. Example the DI 3.6 since thats what I have. They say these engines run hotter and Conventional will not hold up like a Synthetic will. I have a 2010 3.6 DI in my...

From these results. Ill be following the OLM to 0% for some time to come. At least while im under warranty. This is GM's 3.6L Direct Injection engine. Comments welcome.

Usually use the 5 qt jugs of oil. pour into engine. at the bottom of the white jug-- there is sediment. Is this sediment good/bad? Is it part of the 'additive' that has settled? If so--- should I shake the bottle so its dispersed in oil and makes it into engine?

3rd oil change on the Equinox. This is the 6 cyl Equinox. not the 4 cyl. This time went farther on the OLM. It was down to 13%. Drained 5.2 qts out of 6. Engine is still in the wear in phase. With the results from the 1st UOA- I extended the interval by 1,806 miles. My intent is to take the oil...

My latest UOA This batch was used June, July, Aug. 3000 miles worth of commuting to work. 18 miles each way. 4 city then 14 hwy. I have changed my commute time to start at 6am- and traffic is lighter- allowing for very nice cruise in speeds of about 55 MPH. Afternoons is also 55-60. I am...

Heres the 1st UOA on our 2013 Equinox with the 3.6L V6. My 1st venture into a synthetic oil. Ive always run Valvoline 5W-30 dino oil in my 2010 Traverse with the 3.6. But due to Dexos--- I decided to use PP. Its cheaper to get PP on sale- than to buy Pennzoil Semi Syn in the quart bottles. Im...

At 50,400. Drained the fluid in the Trans. This is my 2010 Traverse 3.6L with the 6 speed. Very easy to drain this trans. I measured what came out- 4.8 qts. Refilled with 5 qts. (I marked the new bottles full lines and refilled to this point). I had been having no issues. But I Live in Los...

Stopped by WM- looking for DEX VI replacement. I Only saw the WM version Super Tech I belive. About $4 a quart.... But saw no other brands on the shelf. I have seen the Valvoline Full Synthetic Dex VI. I think Autozone or Oreillys had it-- for about $10 a quart... But once again-- didnt see any...

40,578 on the engine. 5,003 on oil. Oil Life Monitor @ 51% Filter used- PF-48 Oil used-Valvoline Premium Conventional 5W-30 ILSAC-GF-5(Dino oil). Removed 4.6 quarts (out of 5.5) I asked for a TBN extended oil use just for the info. But not interested in going too much past 5000. Its interesting...