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Today we took the Expedition on a day trip out of state. After am uneventful drive there and almost back we stopped at a gas station for a pit stop. After driving a little over 100 miles between 65-75 continuous we pulled off the interstate and came to a red light. Immediately the car had what...

Just looking for some info on Group II and II+ oils vs Group II. I know that there is a VI difference on II and III with III having to be, I believe, 120 or great VI base stock; group II being less than 120 VI. Are the impurity levels, sulfur, ash, etc. the same between the two. I know that in...

Does anyone know much about it? I haven't read much about it, but it looks decent on paper and suitable for many applications. Thinking of picking some up.

Thinking of picking up a case of Valvoline MaxLife Dex/Merc. The Product Sheet says that it will work in both of my applications which are a 2007 Nissan Xterra 4x4 Auto, and a 2003 Ford Expedition. Even better, it is sutible for Matic D as well which means I can run it in my transfer case on the...

Mileage on fluid is unknown. I assumed it is factory fill.

Are Chevron Supreme Dino and Havoline now exactly the same? I noticed on the product data sheets the specs and content were exactly the same. Chevorn Supreme uses ISOSYN basestock so I guess Havoline does as well even though the label doesn't reflect that?

I've got a 2007 Xterra that I'm sending in a sample of trans fluid for analysis. From what I've read, UOA's can be useful for getting wear trends in a vehicle for motor oil, but I may mainly get a few done to determine OCI's. I'm really interested in having the UOA done on the trans though...

I just recently changed my oil to 5w30 QSUD and I'm getting a momentary dry start sound when I crank the truck. It only last a second, but what has me concerned is that it did not do it before. I just bought the truck used and the previous oil did not do this, however, I do not know what the...

Cars are 01 Mustang GT with about 160k and a 03 Expedition with a hair under 100k. Not all of the miles are from me. The Expedition goes about 10k in a year. I'm planning on changing the oil twice a year at 5k with PP or PU. The Mustang goes about 15k a year so I'm planning on changing the oil...

I have a Mustang GT which is a play car and a Honda Civic which is my DD commuter car. Both recommend 5w20. I'm currently putting very low miles on the GT becuase it is for sport only but sees some competitive driving a good bit of the time. I'm not looking for extended drain intervals in the GT...