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I'm consistently hitting into the low to mid 40s tank after tank. I live in Alamogordo NM, which has a mild winter climate, and most of my driving is speeds under 55mph. I sometimes take the highway to Las Cruces but restrict my speed to 65mph and still manage high 30s. I'm really pleased with...

I'm updating this thread with a recent sample report from the same Caterpillar lab. These two reports are not consecutive. There was an unsampled interval between these two reports. I'm relisting the old report in parenthesis to make it easier to compare. The oil is Valvoline's top-of-the-line...

I found another UOA report from a guy on a Kona forum struggling with a fuel dilution problem. He has no Pb in the report but high Cu. This is from a factory-fill UOA. https://www.hyundaikonaforum.com/threads/7-3-fuel-in-used-oil-change.3849/

Found this on reddit. Here's a guy with a 2019 (2020?) Veloster with a 1.6L turbo engine. He's got 36000km on the car and the oil has 5000km. Pb is pretty high at 68ppm. He notes in the comments that the lead is probably from his octane booster. I'll continue to scour the interwoobs for other...

I have an appointment with the dealer in a week to fix an oil leak where the oil pan bolts to the block. The oil will get changed then. I hear ya about break-in metals. I've been doing oil analysis on my cars and bikes for a number of years and I've never seen Pb so high in the factory-fill oil...

My fuel economy increased from low 40s to mid 40s. An increase of about 7%. This increase came within 100 miles of adding the Techron. You don't think a clogged injector (or possibly more than one) coming clean would make that difference? I'm really impressed with the results of the Techron...

The Blackstone oil analysis comments say fuel dilution can be ruled out for the rising oil level. What else could cause a rising oil level?

This was drawn from my 2022 Hyundai Tucson hybrid at 2800 miles because I had a slowly rising oil level and suspected fuel dilution. I did not smell any fuel on the dipstick, though, and my fuel economy was pretty good. I wanted to quantify the amount of fuel dilution if possible. Caterpillar...

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted by Chris142</div><div class="ubbcode-body">Have you considered a 15w-40?</div></div> No. I don't think the 20 weight is a problem. I'm just indicating surprise that the Delo sheared down. In my 50 years of motorcycling...

The lab was Western States Caterpillar. Newest test on the left column. Factory fill on the right column. <a href="https://lh3.googleusercontent.com/swLu6cPN5wGVnwoMtlAibSuByQPlxT5e8Y7Cp0wG0TMV2ex40mRdYPhr8zgYPkB73sDmoh0hHKdWvrhGiSkO2JtwKyugsj6aaMU5ur-iPmSY9HaaF05Nfg0fGE1wWr0XjqfpJq2xFQ=w2400"...

Honda is fairly generous in its oil recommendations. They say pretty much any SN oil will do as long as it's 10w-30 and non energy-conserving or resource-conserving. I'm using Chevron Delo 400 10w-30 XLE in it now. This is a multi-fleet oil that meets SN and a number of diesel designations also...

Lab: Western States Caterpillar Date: 19 Sept. 2018 Miles on Oil: 760 Miles on Bike: 760 Cu 10 Fe 22 Cr 1 Al 20 Pb 0 Sn 0 Si 32 Na 9 K 5 Mo 2 Ni 2 Ag 0 Ti 0 V 1 Mn 4 Cd 0 Ca 1952 P 1003 Zn 972 Mg 17 Ba 59 B 171 V @100C 8.2 ST 0 Oxi 8 Sul 19 Nit 6 W N A N This is factory fill which was...

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: mightymousetech</div><div class="ubbcode-body">Here is a different perspective. Did the leaks start to show during the freezing temps the car never saw before? Did the leaks stop when it warmed up? Could be just...

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Nick1994</div><div class="ubbcode-body">You have an old car, and it leaked oil as old cars do. SuperTech had absolutely nothing to do with it. It would have leaked if you had used anything else. </div></div> But I...

My car is a 2002 Acura RSX with 195kmi and most of it's life was spent in a mild climate. I used conventional Havoline and Chevron mostly and oil analysis showed excellent results with these. I then moved to Idaho where the winters are very harsh and decided to use synthetic but didn't want to...

<div class="ubbcode-block"><div class="ubbcode-header">&nbsp;Originally Posted By: lazaro</div><div class="ubbcode-body"> hey thanks! the print is small on the sheet, please help me, the Kvis@100 are those ranges in the 8 sec ranges? and is the fuel range in the 2 range? thanks!</div></div>...

Lazaro, I've posted many of my earlier oil analysis results on the board already. Here's one of them: <a href="http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Board=3&Number=247793&Searchpage=1&Main=17650&Words=Acura+RSX+Jay&topic=0&Search=true#Post247793"...

<div class="ubbcode-block"><div class="ubbcode-header">&nbsp;Originally Posted By: FZ1</div><div class="ubbcode-body">I have an open question for Jay and others. I was a little concerned when I changed my plugs for the first time at 90k and they looked similar to Jay's. I.E. some discoloration...

<div class="ubbcode-block"><div class="ubbcode-header">&nbsp;Originally Posted By: rationull</div><div class="ubbcode-body">To echo other respondents, looks very nice! How much adjustment did the valve lash actually need?</div></div> It's hard to say. I would guess I adjusted the intakes...

<div class="ubbcode-block"><div class="ubbcode-header">&nbsp;Originally Posted By: mgm13</div><div class="ubbcode-body">Nice pics of really clean looking engine. What was the OCI and what oil filter pls. Thanks Big Mike</div></div> About 7500mi for the OCI and I use Nippon 15400-POH-305...