Extending Drain Intervals
I was always told to change my oil every 3,000 miles if I wanted to keep my car running well. How is it possible to drive 25,000 miles without an oil change using AMSOIL, and will extending my oil change interval void my warranty?
AMSOIL Synthetic Motor Oil is guaranteed to run for 25,000 miles or one year in a mechanically sound engine, providing, of course, the oil is kept free of contaminants by changing the oil filter according to the manufacturer's recommendation or, when using an AMSOIL Oil Filter, changing the filter at six months or 12,500 miles, which ever comes first. AMSOIL coined the phrase "extended drain interval" and it's been validated by over 20 years of industry testing and by tens of thousands of motorists and millions of over-the-road miles. Based on their results, 25,000 miles is a conservative estimate!
AMSOIL Synthetic Motor Oil performs so well for so long because it doesn't break down in intense heat like conventional petroleum oils do. It doesn't form performance-robbing deposits and it doesn't volatize, which can adversely affect lubricant performance by altering viscosity and increasing oil consumption. Finally, AMSOIL's additive package, a key element in a lubricant's ability to function, holds up under engine stresses, remaining serviceable for the full 25,000 miles.
Note also that extending drain intervals, like using AMSOIL Synthetic Motor Oil in general, does not affect new car warranties. In fact, according to a General Motors representative, "Warranty applicability is contingent upon the cause of failure and generally covers defects in material and workmanship only." In other words, the only situation in which warranty coverage would change is the case of lubricant-related failure (in which case the AMSOIL Limited Warranty protects the consumer).
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