Oils ain' t Oils was a popular slogan used by Castrol about 30 years ago to sell their specific brand of Oil, and whilst it's a slogan most of the younger generation may not have heard before it's certainly true in the 21 century.
Engines are complicated pieces of engineering they rely on Oil to keep them going. Use of inferior Oil will reduce usable life or, worst case scenario, damage causing a blown engine.
Low quality & cheap oil is likely to cause the following problems;
Compression & Oil Rings become gummed up allowing oil pass into the combustion chamber and you start burning oil,
Valve-Stem Oil Seals get a build up causing them to leak oil onto your pistons,
Lubrication of moving parts is reduced causing wear and additional friction,
Gudgeon-Pins become gummed up and begin to fail,
A Tar-like sludge builds up in the sump causing all sorts of drama,
Oil Galleries are restricted thereby reducing the flow of lubricant,
Need I go on?
The bottom line is that any and all of these things will ultimately cause your engine to fail. Have you seen how much a complete engine rebuild is recently? Somewhere between $3,000 and $7,000! All because you wanted to save a few dollars using a cheap and nasty engine oil. Are you out of your mind?
What's the difference between quality oil and crap oil? The question itself contains the answer – QUALITY!
Cheap oils break down easily and become inefficient, are less forgiving over a range of operating temperatures, and are just rubbish and you should avoid them if you truly care about your engine.
It's a false economy - saving a few dollars now but in the long run costing yourself money.
A quality oil has been engineered to operate efficiently over a wide range of temperatures and is unlikely to break-down into sludge when put under extreme loads. It's consistency and viscosity are reliable and its ability to lubricate and keep your components moving freely will be far superior.
Fully Synthetic Oil can be expensive but long term benefits can be measured in a number ways, the most obvious is more efficient engine operation, which includes better fuel economy & power output. Wear is reduced on moving parts which promotes longevity. Fewer hot spots caused by friction is a good thing as well. More importantly the oil flows through your engine with ease rather than gathering around components and creating blockages, for example; PCV.
Your PCV, or Positive Crank Ventilation Value will block up if you use a poor quality oil and then your engine can't breath properly. A perfect example of this problem was identified a few years ago when I worked in a car yard, we had a 2002 Mitsubishi Triton which we got cheap because it was blowing blue smoke out the back - obviously the Oil Rings were cactus! Wrong, turned out to be a blocked PCV caused by low quality oil. A $30 PCV fixed the problem and the blue smoke stopped and the vehicle was worth $2,000 or $3,000 more, all because the previous owner had been a cheap-skate.
The best advice we can give you when you're trying to be a cheap-skate is “STOP IT”. Spend the money and save yourself money.
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