I have used Mobil 1 for years now, & was wondering if the Mobil 1 ext. performance is worth the extra money. Is there a difference between these oils? Has anybody done any comparative oil analysis on these oils after use?
Who is Miles Freman? Never heard of him.quote:
Originally posted by Thermactor:
a bottle of SLOB will turn M1 into M1EP according to Miles Freman
Only 6000 miles on Mobil 1? Most any ordinary dino should be good for that long in most applications. When M1 came out 30+ years ago, it was said to be good for 25,000 miles or one year, just like Amsoil claims now. I, personally, used Mobil 1 in my primary car for about 25 years, until I retired. I always changed once a year, usually at about 18 to 20,000 miles. My engines always stayed smooth and quiet up to the 140,000 miles which was the longest I ever kept a car. That was seven years, plenty long to stay in the same car.quote:
Originally posted by TR3-2001SE:
I think for changes up to 6000 miles the regular M1 is fine in almost every application. If you like to go longer then the EP is worth the extra money. Probably good for 10,000 to 12,000 in most applications and 15,000 if your engine is easy on oil. Just my 2cents worth.
Emissions standards make engines cleaner running and provide a more controlled environment for the oil. Modern fuel injection means much less fuel dilution for the oil to suffer through.quote:
Originally posted by TurboJim:
As I have asked repeatedly, what did Mobil do to their EP that made it only good for 15,000 miles?
Emission standards change. Today's engines are different as a result.
In the last 5 years? The Toyota sludgers were early 1990's designs. The Chrysler corporation 2.7 liter V-6 sludger is a 1990's design. These are the only consistant sludgers I know of, and sludge affects only a small percentage of them.quote:
Originally posted by TurboJim:
Engines have not changed much in the last 5 years.
We've seen a lot of engines become candidates for sludge in the past 5 years. I can't help but think that the tightly controlled (but not ideal for oil) environment to reduce tailpipe emissions is the cause of that.
Quote:
Only 6000 miles on Mobil 1? Most any ordinary dino should be good for that long in most applications. When M1 came out 30+ years ago, it was said to be good for 25,000 miles or one year, just like Amsoil claims now. I, personally, used Mobil 1 in my primary car for about 25 years, until I retired. I always changed once a year, usually at about 18 to 20,000 miles. My engines always stayed smooth and quiet up to the 140,000 miles which was the longest I ever kept a car. That was seven years, plenty long to stay in the same car.quote:
Originally posted by TR3-2001SE:
I think for changes up to 6000 miles the regular M1 is fine in almost every application. If you like to go longer then the EP is worth the extra money. Probably good for 10,000 to 12,000 in most applications and 15,000 if your engine is easy on oil. Just my 2cents worth.
Some where along the line, Mobil dropped the 25,000 mile claim; I heard it was due to people ruining their engines by not checking their oil for 25,000 miles and running out.
As I have asked repeatedly, what did Mobil do to their EP that made it only good for 15,000 miles?