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Miscellaneous Automotive
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I am getting confuse........??
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<blockquote data-quote="Moocow16" data-source="post: 63223" data-attributes="member: 544616"><p>ok, i asked my friend, who works at Chrysler, and he says that the first number is the thickness of the oil in cold weather, and the second number is how thick it is in hot weather. He's really not sure if it gets thicker as the number gets higher, or if it's the other way around, but he's pretty sure that it gets thicker as the number goes up. He knows this for a fact though, for more fuel efficiency and economy, you want an oil that has low numbers(like 10W30 or 5W30). If you own a drag car or something very similar, you want a high second number, and the first number really doesn't matter because you don't drag race in cold weather(and even if you did, they rev the engine to get it up to the right temp).</p></blockquote><p></p>
[QUOTE="Moocow16, post: 63223, member: 544616"] ok, i asked my friend, who works at Chrysler, and he says that the first number is the thickness of the oil in cold weather, and the second number is how thick it is in hot weather. He's really not sure if it gets thicker as the number gets higher, or if it's the other way around, but he's pretty sure that it gets thicker as the number goes up. He knows this for a fact though, for more fuel efficiency and economy, you want an oil that has low numbers(like 10W30 or 5W30). If you own a drag car or something very similar, you want a high second number, and the first number really doesn't matter because you don't drag race in cold weather(and even if you did, they rev the engine to get it up to the right temp). [/QUOTE]
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I am getting confuse........??
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