1 million miles oil test


I'm surprised at how little wear was on the engine after one million miles.

Thats retarded, id like to see royal purple.

i've been using mobil 1 since i got my 6gc, and now i've got over 304,000 on it... I didn't need to watch this video to know mobil 1 is a good product.

That was a pretty crazy test...what a waste of a bimmer, I would have drove it those 1,000,000 miles, lol.

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Royal purple has been proven to cause premature oil seal failure FYI
I've used Mobile1 for almost 12 years now and it's been worth every extra penny

This post has been edited by DEATH: Aug 25, 2010 - 4:16 PM

Im most likely going to be switching to this next oil change. Only reason i used RP is bc i heard for the past like 3 years from all my friends and friends in the import scene here is that it was the best.

It lubes well for sure but so does Mobile1 without the seal eating problems

i have been using royal purple for about 10,000 miles now and ive never heard of the failing oil thing, my dad always used mobile 1 and then changed to royal purple and has been using it without problemes for close to 3 years so now idk what to think cuz i have to change my oil asap.

Dude I'm an engineer in the Lubrication industry - I know of what I speak. I test oils weekly.
The problem is some of the additives they add into their oil have a tendency to eat away at the seals prematurely.
I don't wanna spend anymore time bashing RP. All I can say is they have a great PR team.
Stick with Mobile1 - the lube properties are every bit as good without the worries
[And no - Mobile doesn't pay me anything - altho they should]

what are some signs of an oil seal failing

Oil leaks.
Do you want the engineering definitions or the layman's terms?

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Exactly, Royal Purple (don't believe the hype).

i'm thinking about trying Castro edge or Pennzoil platinum. Alot of reviews say its better then mobil 1.

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x2. mobil 1 is the only oil i use.

so is the power gains real or are they just talking ou of there a**, becauseim gettin my oil today and i might have to switch.

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there is no signification gain of horsepower running mobil 1 or any synthetic oils.

However you will reduce the wear on your engine and have more protection if you forget to do your oil change. Synthetic oils can protect an engine past the 3ooo mile marker easily. Some car manufactures use a 15ooo mile oil change interval. So that gives you an idea how tough this oil is.

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whats your opinon on valvoline and they're use of more sodium lately? I've been running max-life blend in my 2ZZ with good oil tests coming back.

My srt6 requires 0w-40 and recommends mobil 1. I guess I shouldn't feel so bad about the $75 oil changes now.

BTW I wouldn't waste the time or money on anything more than basic oil (or high mileage equivalent) in the celi unless you're turbo'd or supercharged.

Hanyo is correct about synthetic though, it does have a higher change rating. My car says 7000. As for the 3k miles, that was a scam cooked up by oil companies back when cars still ran on leaded. My trailblazer has so far gone 24k miles since the last change and not a single problem, although I wouldn't push a performance engine to that extreme.

This post has been edited by darksecret: Aug 29, 2010 - 11:29 PM

3k was not a scam, it's a carry over from when oils and additives were not nearly as good as they are now. better living through modern science.

There was a hint of truth to the 3k change but it was based on early oil and only applied to 10w-40. It also only mattered in certain vehicles but it was adopted as the norm because of how common 10w-40 became. It's currently a scam for lube shops to sell more oil and no modern vehicle requires a change at 3000 miles.

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Bitter, the oil change interval has increase not only from the oil construction; but from the new engine design also.


I know first hand that the volkswagen 1.8t engine has a engine oil sludge problem. Would I still stick with the oil change interval of 10k miles? most likely not. I would stay with the safe approach and use the 5k miles oil change interval with a nice synthetic oil.

New engines no longer have carburetors that slowly work gasoline into the engine oil (those of you who are old enough would remember flooded engines or vapor lock) . Also new cars have a better positive crank case ventilation system that keeps most of the blow-by (aka gasoline fumes and carbon) from entering the oil. Lastly the new engine design also has better tolerances that wear less and pollute the oil with debris .

So the main reason why most new cars have an extended oil change interval of 5k-15k miles depends solely on the engine design. I would not recommend using a 10k oil change interval on an older car even with new oil technology.