Read the package of the 'Marvel Mistery Oil' that everyone talks about.
It is petroleum distillates. Just like W-D 40, and every other cleaning solvent and 'penetrating oil'.
The key word here is SOLVENT. Anyone want a solvent stripping the oil film off of your bearings? How about a solvent eating away or softening your engine seals?
PTFE is the laboratory acronym for Teflon. (Teflon is a trade name, like Tylenol)
PTFE/ Teflon solids, no matter how fine they are ground, do your engine no good, and plug oil filters in a big way.
The bottom line is, if you change your oil every 3,000 to 4,000 miles in a carbureted engine, and 5,000 to 6,000 miles in a fuel injected engine,
USE GOOD QUALITY OIL, AND OIL FILTER, and don't abuse your engine, and make sure the oil pressure stays up, there is no reason a modern engine shouldn't last 150,000 to 250,000 miles or more.
It all depends on the quality of the components, the machine work, and how well it's maintained. Maintenance us up to you...
---------------------------------------
BTW, the five year study concluded that Valvoline was the ONLY manufacturer that lived up to SAE requirements in all grades and all specifications. Every single product Valvoline made either met, or exceeded SAE specifications.
Fram 'Double Wear Guard' and 'Wear Guard' oil filters preformed the best, and the third place went to Lee oil filters.
Just thought you might like to know. You have to be a member to get the SAE reports, so the general public doesn't see many of these things.
Later, Aaron.
So many cats, So few recipes....