Pennzoil Ultra Platinum vs Valvoline Extended Protection?

[SubieRubyRoo]

If it's the right thing to do, what manufacturers provide HM oils in their factory-fill?
Ever wonder why they don't?
Don't say contractual price savings..... that's the wrong answer.

There’s no downside to running HM oils from brand new. MolaKule had a few entries a couple years ago explaining the main differences between “regular” & HM oils, and stated pretty clearly you could run HM oil from the minute you drive a new vehicle off the lot.

Manufacturers certainly could use these oils from day one, but they don’t, because of the negative stigma of a “high mileage” car in the mind of the consumer.

 

[Invisible]

Please learn what already exists in a jug of oil. Please understand that the shape and form of seals would be different, if the new engine factory thought such changes needed to be done.

Ask a passenger car manufacturer why they don't issue HM oils at the factory. Please don't be ashamed if they crack a OMG smirk on their face afterwards.

 

[BrendanC]

our vehicles get high mileage oil from the day i do the first oil change. it will not hurt anything.

 

[Invisible]

The most cringe-worthy comments about HM oils are usually written by folks who never get their hands dirty with mechanical work. It's obvious to me that they don't understand how seals work and why they fail. Rather than hitting Google and studying hard, they prefer to make less-than-intelligent remarks.

 

[Revving2Redline]

Define High Mileage Oil. What standards cover High Mileage Oil?

essentially all oil is high mileage, the marketed HM just uses slightly more sealing product.

 

[Revving2Redline]

The most cringe-worthy comments about HM oils are usually written by folks who never get their hands dirty with mechanical work. It's obvious to me that they don't understand how seals work and why they fail. Rather than hitting Google and studying hard, they prefer to make less-than-intelligent remarks.

too often the seals get brittle from age or defective emissions parts like pcv valves. Using a low quality oil and combined with varnish from not frequently changing and oil breaking down leaks become the result. In some aspect that is the same issue with cars that either go less than 5 Mi a day or there's a car that's 25 years old with only five or six thousand miles on it.

 

[Invisible]

essentially all oil is high mileage, the marketed HM just uses slightly more sealing product.

Yes, and sometimes they will use higher quality base oils and a bit more additives. Like Mobil 1 EP HM (GTL+AN), or Valvoline EP HM (GTL).

 

[Revving2Redline]

Yes, and sometimes they will use higher quality base oils and a bit more additives. Like Mobil 1 EP HM (GTL+AN), or Valvoline EP HM (GTL).

good point there! thanks