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Ours is changed every 5,000 miles.

Nippon Oil didn't spend the money and man hours in research just to develop a lawnmower oil, it was to develop a 0W-16 that will work in certain engines. Also, Walmarts SuperTech oils are actually very, very good. They're made by Warren Performance Products and meet all of the factory specs...

Your experience is a great example of just how good 0W-20 oils are. I can guarantee you that when Mazda switched to 0W-20 people complained that it was only for CAFE and that as soon as the cars are out of warranty the engines would fall apart, just like when Ford and Honda switched to 5W-20 20...

And yet our Charger patrol cars are in service until 200,000 miles and are run on Safety Kleen recycled 5W-20 synthetic blend oil. The last one our mechanic sent to a dealership for a cam/lifter issue was a 2015 model.

You really should get your facts right before saying something like this. First off there is no such thing as a "0 weight oil". Secondly GM, Honda, Volkswagen and BMW are four automakers I can name off the top of my head who specify 0W-20 oil in some of their turbocharged engines. Alfa Romeo...

20 years use in Japan isn't exactly new and untested is it?

The API and ILSAC testing protocol has standards on viscosity retention, deposit control, volatility and other factors that an oil has to meet before being certified. They are very stringent tests because that's what protects the consumer by assuring them that what the oil companies are selling...

And like I pointed out earlier, oil at 100F is still 5 times thicker than it's normal operating temperature so technically it's too "thick" to be operating at peak efficiency. Also, some additive aren't effective until they are heated to or are very near operating temp.

0W-16 is only recommended for a small number of vehicles, and I think it's safe to assume Toyota has done enough testing to determine it will work properly in the engines it's recommended for. The Valvoline version has passed the API test to be certified for the new SP and the ILSAC test for the...

And 5W-30 was the original CAFE oil that was developed by the oil companies in the 80's when the EPA mandated that the auto manufacturers improve gas mileage. 10W-40 was the most popular oil available then but it couldn't deliver the MPG numbers that the thin 5W-30 could. You're right about...

Throw a tantrum? That seems like a totally uncalled for statement. You're correct, viscosity is what determines an oils ability to pump at low temperature. What I'm trying to point out is that when comparing a 0W-20 to a 5W-20 there's no discernible difference in their viscosity until you get...

That’s where people get hung up on the winter ratings, which is what the W stands for, winter not weight. Oils are classified by grade not weight, in other words there is no such thing as a 30 weight or a 20 weight, they’re grades. If someone says they would never use a 0 weight oil, they are...

0W-16 is nothing new, it's been used in Japan for approximately 20 years, it's just found it's way to the US in the last couple of years. I always chuckle when I read the "water thin" comments about oil. Water has a viscosity of less than 1 at 40c (104F) while 0W-16 is around 35 and 0W-20 is...

Thanks and enjoy retirement!

Did you name your truck Skippy?

Extreme performance is marketing fluff. How do you define and measure extreme performance as opposed to regular old every day normal performance?

The viscosity of 0W and 5W oils are virtually identical until the ambient temperature is in the -25F range, and even then the 0W is only slightly less thick than the 5W. 0W-40 oils are proving to be some of the best oils being made. There's a reason Chevrolet switched to Mobil 1 0W-40 as the...

The Ultra has slightly higher ZDDP and detergent levels than the Platinum. I'm surprised the Ultra is still even around, it really doesn't provide much benefit over the Platinum for the additional cost, and it's a little harder to find. Also the 0W-20 Ultra hasn't been updated to the new...

Thanks! I’ve enjoyed it but now is a good time to be getting out. And I’ll have a lot more free time to polish the chrome on my Ram!