Quote:
Originally Posted by Saintor
Just theory. In real life, mineral oil just does the job as fine.
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I dont trust Consumer Reports as a buyers guide, you think i will trust them with oil analysis. And how did they test it ? Did they calculate MPG, dyno'd 75 taxis, opened up engines are checked for wear ? Or just look at it and said....ha...looks ok to me.
I mean there is a reason why oil needs to be changed.....because it breaks down and does not protect the engine. Thats a fact. Another fact is that synthetic oil does not break down as easy as regular oil and can also withhold high temps better then regular oil. So if synthetic oil does not break down as easy then it must protect engine for longer periods. And if you have a high performance car (not a city taxi) which runs hotter then other cars, then maybe syn. oil will protect it better.