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So I received back UOA's from Blackstone on 2 factory fills, a 2015 Juke (1.6L DI, turbo and egr) and a 2015 Altima (2.5L 4cyl port injected no egr). Factory recommendation for both is 0w-20 for mileage, but 5w-30 conventional (mineral) old will keep warranty intact. On the juke this has...

Acquired Nissan Juke, 2015. Non-Nismo 1.6L DI turbo motivated, American spec. Previously owned a 2013, and posted here on several occasions that this little beastie sheared oil down in a heartbeat, to where Blackstone commented on every single UOA. MC7500, QSUD 5w-30, PU (old good stuff) 10w-30...

So after many years of changing my own oil, I have an ear for that noise a car makes when it starts, for that first time after an oil change. I have never been a "charge the filter with oil" guy, so for just that split second, on that first startup, you know you are getting an engine start noise...

This just happened to me this morning, and got me thinking. I have recently taken two samples for Blackstone, one of the FF of a 2015 4cyl Altima, and one of whatever the dealer put into my Wrangler for one of those "free" oil changes they do for the first 4 oil changes. Not a clue what it was...

Looks like nearly all the most expensive big name synthetics have been price reduced to $22.67 here locally in suburban Denver. All Mobil 1 synthetic flavors, and of interest to me is Pennzoil PPPP. PUP wasn't, but PPPP was. Which means last night I collected top flight, low Noack PPPP for the...

Particularly as it relates to the oil pressure operated valve timing gear? I did the entire "what do I do now!!" routine back in the early-2000's when Ford first started specing 5w-20 and I couldn't even find the stuff for the 4.6L motors, at the time I just gave up and used 5w-30. But the...

Marietta Ohio Walmart, chock full of PU, SN, right bottling dates to have stamps under the caps. I cleaned them out of PU 5w-30, sorry, but they had at least 5-6 5qt jugs of 5w-20 and a few of 10w-30.

Let me say upfront that I am not a hoarder. But I have been interested in motor oil since grandma made me buy Arco Graphite to put in her Plymouth. When Castrol 5w-50 came out a year or two after I bought my first new pickup, it was the oil of choice! 100F+ four wheeling in Big Bend NP or...

So I got the UOA of FF back on the new Jeep today, and of note were two things, a flashpoint of 465F and a viscosity of 7.3 at 100C. So its thin, but [censored] is that a high flash point. Synthetic in Jeeps as a factory fill? A 5w-20 no less. I'm not even sure I've seen a 465F on TDS sheets...