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I apologize in advance for such a boring report. Even though there was only 5K miles on the oil, it was in use for 13 months, so I thought that a change was due. It looks like I could have left it in longer. I reported that 1.25 qts was consumed, but thinking back, I might have only filled with...

Originally Posted By: Ducked Originally Posted By: chinee Originally Posted By: supton ...I wonder if a short oci then regular would flush out anything that does not belong. Not a bad idea... about 10-12 years ago, I understood Pennzoil as being an oil with good "cleaning" properties? Is this...

Originally Posted By: supton ...I wonder if a short oci then regular would flush out anything that does not belong. Not a bad idea... about 10-12 years ago, I understood Pennzoil as being an oil with good "cleaning" properties? Is this still the case? Maybe I can run a fill of Pennz dino for...

In sunny South Florida, I'm looking for an oil for my 2015 Lexus GS 350 with 26K miles on the odometer. I do plan on performing UOAs and will post results here for feedback. Oil capacity is 6.6 qts (with filter), ILSAC GF-5 multigrade engine oil, Recommended viscosity: SAE 0W-20 I'm a fairly...

Originally Posted By: Ducked Metal, probably steel, but could be partly or wholly aluminium since its a bit light coloured. Not a great deal of it. If your dipstick tube allows, stick a magnetic pickup tool into the oil. See picture in linked post. I suppose the very fine material stuck on...

Originally Posted By: OilUzer Is it magnetic dipstick? That was actually my first thought, but nope.

Originally Posted By: pilot1226 Right, was thinking the same thing. Anything that looks like a chocolate milkshake could potentially be a head gasket issue with coolant getting into your oil... Or, most likely, it could be a Molybdenum additive. I use Liqui Moly MoS2 and it's a comparable...

Originally Posted By: Trav This is one engine you don't want to mess around with long drain intervals. 7K is double what I do it at., Mobil 1 0w40 A3/B4 every 3500 miles with a new filter. These engines beat the Hades out of the oil and they like to varnish up and have a little issue them with...

Checked oil for the first time in a 2015 Lexus GS 350 I bought 2 weeks ago. It had the 125 point inspection done so I assumed the oil change was done. I was out of town, so the car has not been started in a week. On the end of the dipstick, I noticed some silver-grayish matter, slightly...

Originally Posted By: HTSS_TR Nice report, I wouldn't go much beyond 8.5k miles with TBN was 2.0 after 7600 miles. This is the wife's ride, although she's not a "racecar driver", she's pretty aggressive with rabbit starts and punching the gas to get around these idiot South Florida drivers. No...

Valvoline NextGen Maxlife 10W30 Haven't had a UOA done in years, since 2007. Not bad for a 10 1/2 year old truck with over 260K miles... right? I've also inserted the UOA history below. Feedback anyone?

I would not even use M1, use a synthetic blend. Here's Mobil Clean 5000 in my 4.7L with an interval of 4,502 miles. This was two years ago, so I don't know if the formulation's changed since then. You've got yourself a very low-wearing engine with this 4.7L V8. If you're looking for interesting...

Hmmm... Nice report. There may be something to this Amsoil after all. Too bad it's not OTC, I might have tried it then. My G35 UOAs never ever looked this good.

What oil was used and what your driving style is like. Do you drive like you stole it? Highway or city? Short vs. long trips?

I currently have another fill of Durablend in there and will stick with a 4,500 mile OCI. The DuraBlend is affordable at WalMart and I've since reduced my commute to about 1,000 miles per month. I'm thinking of running another fill of M1 just for the sake of curiousity. Maybe the Iron and Lead...

Here we go... not bad results in my opinion. Reduced relative wear for both Iron and Lead, with a very slight uptick in Copper. Silicon level stays in the midteens, but I suspect it may be coming from the dipstick when I check the oil. Infiniti's dipstick has a guide that collects dirt and is...

I don't beat the car senseless, but I am pretty aggressive. I use the manumatic everyday and enjoy the power when I have the opportunity to do so (always safely). Even though I don't believe I drive really hard, there are two factors that may not support my belief: 1. Tires last me typically...

They were going to add a quart of Kendall synthetic; I preferred to top off with the same brand I was already using. I'm a regular there, they do pretty good work and typically treat me quite well, so I didn't make too much of a fuss. Hey... no one's perfect....

Now I remember... The make up oil was added because a tech at Goodyear who was supposed to change the tranny fluid, drained oil instead for about 20-30 seconds. I added about a qt to top it off; this occurred at about 2K into the interval. So since the oil was "refreshed," this UOA is not as...