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Hey guys, dont know how i missed this thread.
As some of you remember i work for a Exxon/Mobil distributor.
Alot of good points in here, but the thing you have to remember is this:
Almost every manufacturer has to produce their product with a certain amount of "numbnuts" factor built in.
Because some "numbnuts" is going to completely disreguard what the instructions are, then gripe and moan and sue because they are too stupid to follow instructions.
So 6-10k miles oil changes become 3-6k miles. That way, even "numbnuts" is covered.
another thing is that alot of the newer, higher milage engines are going to much tighter tolerances, high rpm's, and higher operating temps. This does increase the stress the oils are subjected too.
Sure some people take advantage of this stuff, manufacturers/dealers/mechanics etc etc but that happens in every business there is, and you just have to learnt ot watch for those people.
MOst conventional oils are good for 10k miles with no problem, _if_ you keep the filter clean.
Most synthetics are good for anywhere from 10-=50k miles, again if you keep them clean.
Just use common sense, Mr. numbnuts doesn't, and he's the reason so much looks weird, we know the oil is good for longer, but to protect themselves, the producers have to figure in all the "Mr. numbnuts" to protect themselves.
Ok now your going to say, but thats common sense, numbnuts would lose if he sued...think again....remember mcdonalds coffee?
remember the numbnuts who laid down in front of the train protesting , got his legs cutoff, then sued and won because the train had no right to move while he was on the tracks. (even though the train was already moving when he laid down ahead of it)
common sense isn't very common anymore, and pure stupidity is running rampant, as well as greed and apathy.
That's what is causing so many things to become the way they are.
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