we are talking the same seal. Valve seal also called valve stem

來源: biglow 於 2010-08-04 14:03:03 [] [博客] [舊帖] [給我悄悄話] 本文已被閱讀： 次 (127 bytes)
回答: 當然normal 由 biglow 於 2010-08-04 11:16:49
Well, it might be too soon, but if by chance the engine was overheated or added wrong oil, it could be prematurelly hardened.

所有跟帖： 

• No! what you mentioned is oil control ring on piston -xxhhwxc- ♂ 給 xxhhwxc 發送悄悄話 (115 bytes) () 08/04/2010 postreply 14:25:57

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