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Greetings All, I just took delivery of a 2017 Mazda CX-5 GT AWD with the 2.5L Skyactiv engine. I purchased this one, and hope to drive it until the wheels fall off and so plan to do my own oil changes (which I have not been doing lately on leased vehicles I've been driving). I've read nearly...

Greetings All, Long time lurker, infrequent poster here. I am interested in your thoughts regarding my recently acquired 1998 Toyota Rav4 with 161,000 miles. The car was due for an oil change when I acquired it, and was about a quart low, though the original owner said he checked the oil...

I am having a difficult time locating either Mobil 1 or Pennzoil Ultra in 5W-20 in five quart jugs. 5W-20 is what it says on the cap, and I am committed to one of those two motor oils. 0W-20 and 5W-30 seems to be plentiful. Which viscosity would you choose and why? I live in NYC so you have an...

I am interested in your opinions on the use of Pennzoil Ultra for extended OCI (i.e. 15,000 miles or 1 year) in a 2012 Hyundai Veracruz 3.8 liter V6 Engine. I had been doing 1 year intervals on my previous vehicle (a 2007 Hyundai Santa Fe) using Mobil 1 extended performance, but its nearly...

Picked up a bottle of GUMOUT Complete Fuel System Cleaner for SUVs, 4x4 and trucks at WalMart for about 6 bucks. Supposedly treats up to 35 gallons of fuel. It then occured to me that before I put it in I should see here if anyone has used this product and if so what were the results? I also...

I was hoping to get some opinions on allowing extended oil change intervals with synthetic oil. I of course realize that during the warrantee period one must closely adhere to the manufacturers recommendations, but Im talking real world here. In my own case, I own a 2001 Ford Explorer Sport Trac...