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Frequently Asked
Questions
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Frequently Asked
Questions |
What Is The
Difference Between Conventional And Synthetic Motor Oils?
Conventional motor oils are refined from standard petroleum products. They
contain additives specially formulated to provide protection and performance
in a wide range of temperatures. Semi-synthetic motor oils contain a blend
of pure conventional and synthetic motor oils, specially formulated with
advanced technology. They offer better performance and better wear
protection at start-up than conventional motor oils. Full synthetic motor
oils are a specially formulated 100% synthetic base stock. They offer
increased horsepower, cooler engine temperatures, and offers better low-,
high-temperature properties.
If I
use Synthetic Motor Oil, Can I Extend My Oil Drain Interval Longer Than
Recommended?
Although synthetic motor oils outperform conventional motor oils, extending
the OEM's oil change interval is not recommended. The additives used in a
synthetic motor are still depleted due to the by-products of an internal
combustion engine and the oil needs to be changed as recommended.
What
Causes Increased Oil Consumption?
There can be several circumstances associated with an increase in oil
consumption and a variety of reasons for them. Probably the most common
reason is a failure of valve stem seals which permits oil to be drawn down
the clearance between the valve stem and the valve guide. There is usually
an increase in consumption after changing oil brands. In this scenario, it
is usually only for a short period of time and then returns to its previous
low level. The change occurs because motor oils differ in additive packages,
which make up about 20% of the product. This change in the
detergent/dispersant chemistry tends to remove previously deposited material
that is helping to seal. Once this deposit is removed, the new chemistry
will produce a deposit that regains full sealing benefits and controls oil
consumption to the original lower level. Any increased oil consumption not
related to these circumstances is generally due to a mechanical problem.
Does
A Change In Motor Oil Color Indicate A Quality Problem?
No!
Occasionally an oil manufacturer will change the formulations of their
products. This may occur due to changing API classifications or additive
changes. A darker or lighter color in the finished product may result, but
this does not mean that there is a problem. |
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