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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...

The lab was Western States Caterpillar. Newest test on the left column. Factory fill on the right column. https://lh3.googleusercontent.com/s...PmSY9HaaF05Nfg0fGE1wWr0XjqfpJq2xFQ=w2400 The only noteworthy thing about the factory fill, IMO, was that it had sheared to a mid 20-weight in only...

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...

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...

I just finished the first valve adjustment on my '02 Acura RSX. The owners manual says the first adjustment is 110,000mi,and subsequent adjustments are 110,000mi intervals. I used 20-weight oil exclusively since new, except for one interval of Mobil1 0w-30 early on. I did oil analysis regularly...

There was a thread in this forum (I think) with the title, "I guess we should stop calling it dino oil", or something similar. It's more than a year old and maybe more than two years old. The thread had a link to an incredible article about the inorganic origins of crude oil vs organic, and made...

A WaterPic is a small pressure washer. The cylinder, piston, connecting rod, and crankshaft are all plastic. WaterPic uses a gel of some sort for lubrication that seems to work well for everything except the piston/cylinder. After an ~hour of operation, piston friction gets high and the thing...

I put my gallon jugs of used oil into a big box and lugged the heavy oil to the local Kragen for disposal. I like Kragen because they never give me any hassle about recycling oil there--until today, that is. They told me they couldn't accept my oil because it was stored in...non-OSHA-approved...

TallPaul, the article refers to oils operating in the EHD (elastohydrodynamic) regime, not the hydrodynamic regime. In the hydrodynamic regime (plain bearings, pistons, rings, etc.) the thickness of the oil film depends on the viscosity of oil and the speed that parts move over each other. In...

These emergency generators provide power to our telecommunications central office during utility power outages. Here's the latest MOB II analysis by WearCheck: Engine Type 1620kw (2172hp) quad turbo-charged V-12 Oil Type Caterpillar 15w-40 (dino oil) Sump Capacity 84 gallons each Date in...

This analysis is by WearCheck, NC. The most recent data is the right column. Car 2002 Acura RSX Engine 2.0L, in-line 4, K20A3 Oil Filter Union Sangyo P305 Air Filter Comptech/Uni Sump Size 5.6 qts Type of Oil Mobil Clean 7500 SM Miles on Car 76,620 Miles on Oil 7,310 Dates in Service Sept 05 to...

I'm in the market for a new battery and I'm considering one of the pricy Optimas. I visited their website (a poor one) and I'm skeptical of their claims. They aren't well explained or substantiated. Does anybody have any experience, especially long-term experience, with an Optima battery? Thanks.

At work, we're debating how often we should exercise the two emergency power diesel generators that we have at our telecom station. The two diesels are inside and electrically heated. We currently run them 1/2 hour each, at 50% maximum power, every other week. We're thinking of reducing that...

We have a pair of 1,620kw (2,172 hp) Caterpillar 3512 emergency power generators at the telecom central office where I work. This is the most recent coolant analysis result for them. The coolant is Caterpillar ELC that was installed 6 years ago. Each generator has more than 800 gallons of...

The lab was WearCheck, NC; Mob II report. Car 2002 Acura RSX Engine 2.0L, in-line 4, K20A3 Oil Filter Union Sangyo P305 Air Filter Comptech/Uni Sump Size 5.6 qts Type of Oil Havoline 5w-20 SL Miles on Car 69,285 Miles on Oil 7,130 Dates in Service Jun 05 to Sept 05 Makeup Oil 1 qt I'm showing...

The lab was WearCheck, NC; Mob II report. Car 2002 Acura RSX Engine 2.0L, in-line 4, K20A3 Oil Filter Union Sangyo P305 Air Filter Comptech/Uni Sump Size 5.6 qts Type of Oil Valvoline Durablend 5w-20 Miles on Car 62,080 Miles on Oil 6,955 Dates in Service Jan 05 to Jun 05 Makeup Oil .5 qt I'm...

I've read from a couple of sources that the inexpensive type of oil analysis we do can read wear particles as large as 5 microns.(Terry claims 10 microns.) Molakule once said that when wear occurs, atomic-sized particles are released into the oil, and that these atomic-sized particles are the...

Very nice report. There's a big change in Si from the last report. Any explanation?

The lab was WearCheck, NC; Mob II report. Car 2002 Acura RSX Engine 2.0L, in-line 4, K20A3 Oil Filter Union Sangyo P305 Air Filter Comptech/Uni Sump Size 5.6 qts Type of Oil Havoline 5w-20 Miles on Car 54,741 Miles on Oil 7,121 Dates in Service Aug 04 to Jan 05 Makeup Oil .5 qt I'm showing the...

I'd like to try this oil next in my car. I've googled for a US supplier for about an hour, but found nothing. Does anybody know of a US supplier for this oil? Thanks.