Use and Care Manual

ONCE YOU SWITCH TO SYNTHETIC OIL,YOU

CAN NEVER SWITCH BACK.

This is one of the most persistent myths about synthetic oil—and completely untrue. You can switch

back and forth at any time. In fact, synthetic blends are simply a mixture of synthetic and conventional

oils. However, synthetic oil provides the best performance for your vehicle’s engine, especially at high

engine temperatures.

YOU SHOULDN’T USE SYNTHETIC OIL IN

AN OLDER VEHICLE.

This myth is rooted in the idea that synthetic oil is “slipperier” (lower in viscosity), or not as compatible

with seals, and will therefore leak or leak more in places conventional oil might not. Again, completely

untrue. Synthetic oils will enhance the engine protection in older vehicles, just as they do for new

engines. Always follow the engine oil specication recommended in the owner’s manual.

MYTH:

YOU NEED A THICKER MOTOR OIL FOR

EXTRA WEAR PROTECTION.

This is one of the most common car care myths out there. First off, it is the antiwear additives (ZDDP or

“zinc”) in the motor oil formulation that provide wear protection, not the motor oil viscosity grade. Using

a motor oil that is too thick may decrease engine efciency. Many modern and newer vehicle engines

are built with tighter tolerances and recommend lower viscosity grades for better

performance and improved fuel economy.

MYTH:

Pennzoil/Quaker State trademarks are owned by Pennzoil-Quaker State Company.

MOTOR OIL MYTHS

IF YOUR OIL IS BLACK THEN YOU DEFINITELY

HAVE TO CHANGE IT.

The main reason that motor oil darkens is due to oxidation, which happens much more rapidly when

the motor oil is exposed to high engine temperatures. Motor oil also darkens as it absorbs by-products

from combustion. This means your motor oil is doing its job! Always follow the vehicle manufacturer’s

recommended oil change interval.

MYTH:

IF YOU USE SYNTHETIC OIL,YOU CAN CHANGE

YOUR OIL LESS FREQUENTLY.

Oil drain interval recommendations are set by the engine manufacturer. The point of using high-quality

synthetic oil is to take better care of the engine over the entire oil drain interval, reduce deposit

formation and bring back engine performance.

MYTH:

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MOTOR OIL MYTHS MYTH: ONCE YOU SWITCH TO SYNTHETIC OIL,YOU CAN NEVER SWITCH BACK. MYTH: IF YOU USE SYNTHETIC OIL,YOU CAN CHANGE YOUR OIL LESS FREQUENTLY. MYTH: YOU SHOULDN’T USE SYNTHETIC OIL IN AN OLDER VEHICLE. MYTH: YOU NEED A THICKER MOTOR OIL FOR EXTRA WEAR PROTECTION. MYTH: IF YOUR OIL IS BLACK THEN YOU DEFINITELY HAVE TO CHANGE IT. This is one of the most persistent myths about synthetic oil—and completely untrue. You can switch back and forth at any time.
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MYTH: SYNTHETIC OIL IS SLIPPERIER AND CAUSES YOUR ENGINE TO LEAK. MYTH: HIGH MILEAGE ENGINES JUST NEED THICKER OIL TO REDUCE LEAKS. Some drivers believe that synthetic motor oil causes your engine to leak because it is slipperier—this is FALSE! Slipperiness has to do with the motor oil viscosity grade, regardless of type. Synthetic oil will NOT cause your engine to leak. Synthetic motor oil actually provides better protection for your engine at extreme temperatures.