it's said 5w20 is to reduce engine life. is that true?

来源: lovecorn 于 2009-10-15 09:30:39 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (307 bytes)

it's also said 5w20 increases mpg comparing to 5w30.
I was surprised that your car gets more noise with 5w30 (counter intuitive). Actually if you search around you should see claims that 5w30 provides better lubrication.
It's probably something else. Did they ever put oil @ first place...

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• in 2004 Honda recommended 5w20 be used on Honda engine -History2008- ♀ 给 History2008 发送悄悄话 (347 bytes) () 10/15/2009 postreply 09:47:42

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