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Frequently Asked
Questions
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Frequently Asked
Questions |
What Is The Difference Between Single-Grade Motor Oils Versus Multi-Grade
Oils?
Single-grade oils (i.e. SAE 30, SAE 40) have temperature limitations in that
they will not flow in very cold temperatures. Many engines do need
single-grade oils, however, so always check your owner's manual. Multi-grade
oils (i.e. SAE 10w30, 5w30) contain additives that enable the oils to
perform in a wide range of temperatures.
Do I
Have To Use My Car Manufacturer's Branded Oil To Protect My Warranty?
A
warranty cannot be tied to the use of a specific brand of oil, but it can be
tied to the use of a specific quality level of oil. Use of a lesser quality
oil is construed as abuse, and abuse is not covered by the warranty.
Can I
Safely Extend My Oil Change Intervals From Those Recommended By The Car
Manufacturers?
The normal oil
change intervals in the owner's manuals are not conservative today. Engines
have become more demanding of the oil, but recommended intervals have not
been shortened. By definition, most of us drive our cars in "severe" service
conditions for which change intervals are about half as long as the normal
intervals.
What are
Considered Severe Service Conditions?
Short trips,
stop and go traffic, extreme heat or cold, and excessive dust or dirt.
Normal service conditions include long trips and highway driving which are
much easier on motor oils.
Is It True That
Paraffinic Base Oils Can Cause Wax Buildup And Sludge?
This
is not true. All high quality motor oils are made from paraffinic base oils.
Despite its name, paraffin does not mean candle wax. The stability of
paraffin molecules makes paraffinic base oils more resistant to the chemical
changes that can take place in an engine than other types of base oils. That
means less sludge, varnish and corrosive wear with a high quality paraffinic
base motor oil. |
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