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Curious what the thoughts are on these three. This is for my 1996 Land Cruiser which specs a Dexron III fluid. I have been running D4 for the past 20 years in it without issue. Mobil 1 is $10 a quart, D4 and HPL about $15. Do I keep running what has been working, save a bit of money and use...

I am not up on the current HDEOs. Have a 2005 Dodge 3500 dually 6 speed with 95k miles. Truck is driven about 4,000-5,000 miles a year, some towing, but nothing super heavy. Operated in Northern California, coldest temps is sees is about 32f, hottest 105f. I have been using Kirkland 15w-40...

All, Actually a 20+ year member under Cary, but for some reason my password didn't work, and the reset goes to an email an ISP that is defunct. So here is my delima, which is splitting hairs. Picked up a 2016 VW Touareg with the 3.6 VR6 for my son with 107,000 miles. Clean car, but the big...

Trying to figure out what oil to use for my 2006 Cayenne 6 speed manual transmission (uses some obscure Castrol/Porsche Oil called Burhma BOT 338 75W). Looking at ZF's list of approved lubricants (TE-ML11) they cross reference BP Castrol BOT 338 to BMW MTF-LT2, VW Oil No. N 05279800, and Castrol...

I am having a discussion concerning multiweight oils with someone and we have a slight dispute. He claims (as per Redline) that multiweight oils like 5w-40 are made by taking 5w oil as the baseweight. I claim (from recolection of past reading) that it is the opposite. That 40 weight oil is taken...

Not bad, but not great compared to the other 4.7 reports on the is board with more mundane oils. Take a look at these which look much better, most with M1 5w-30, which is half the price. http://theoildrop.server101.com/cgi/ultimatebb.cgi?ubb=get_topic;f=3;t=002035#000000...

So, I was at my inlaws last weekend and checked my Mother in laws oil on her BMW 735i (she wanted to know if the level was okay). I happened to notice that is resembled 85w-140 gear oil more than engine oil and asked when she had it changed last. She said about a year ago. After she told me how...

Results of UOA by Blackstone Labs: Aluminum 2 Chromium 0 Iron 6 Copper 3 Lead 0 Tin 0 Molybdenum 56 Nickel 1 Manganese 0 Silver 0 Titanium 0 Potassium 0 Boron 88 Silicon 9 Sodium 6 Calcium 2787 Magnesium 21 Phosphorus 764 Zinc 908 Barium 0 SUS Viscosity at 210 deg. F 74.1 Flashpoint deg. F 395...

I have noticed that some people are able to attach their blackstone reports instead of typing the data in. How do you do it? Thanks Cary

Okay, So I am trying to decide if I should change out my M1 0w-40 now in my Toyota Landcruiser or keep going. Basically, I wanted to run it to 8000 miles and do a UOA to help get a good UOA on the board for longer mileage use. I am now at 7000 miles. The problem is in the next month, I will...

A few funnies I have read on a few BMW sites in the last few days: 1) BMW knows what they are doing, 15,000 miles are fine for oil changes, synthetics can go 25,000 miles plus. 2) Don't waste your money on Mobil 1, the BMW Synthetic is a better oil. 3) Don't use Mobil 0w-40 it is to thin for...

Mobil 1 0w-40 Mi/Hr on oil - 5,481 Mi/Hr on unit - 121,981 Sample date - 11/26/03 Aluminum - 2 Chromium - 0 Iron - 4 Copper - 2 Lead - 0 Tin - 1 Molybdenum - 62 Nickel - 1 Manganese - 0 Silver - 0 Titanium - 0 Potassium - Boron - 94 Silicon - 10 Sodium - 6 Calcium - 2618 Magnesium - 26...

Well, after waiting 1 month, I have given up that my oil sample will ever arrive and be analyzed by Blackstone. So much for a UOA. I will comment that it seems strange the number of oil samples that get lost on their way to Blackstone. Cary

Mobil 1 10w-30 would work great, 5 quart jug at walmart for $19.00. Cary P.S., couldn't resist.

So the discussions concerning the BMW oil change intervals and the breakdown of the BMW labled Castrol Synthetic when used for the full interval of approximately 15,000 miles as recommended by BMW have me thinking. Having seen some UOA's and noting that the oil appears to be right on the raged...

Okay a topic for discussion. The UOA's on several oils show them shearing down in grade, depending on use and application. The general consenses seems to be that shearing is bad. My specific question is do we have any evidence that shearing = sludge, deposits or other problems? Also as as...

Hi all, I was looking at the manual for my wife's 1994 BMW 525i and noting the recommended oil weights. It is interesting to note that 20w-50 is approved for temps of up to 120F, 15w-50 to temps of 100F, and 10w-50 to 80F. As I had posted before, BMW now says that I can run BMW brand, Mobil 1...

Hi All, I wanted to get the collective opinion of this group about oil for a BMW. I have a 94 BMW 525i with what is known as the M50 motor (Twin-Cam Hydro lifter engine). The owners manual lists 20w-50 as the proper oil for my climate (Northern California, tempuratures from 30F-105F). I have...