合成油長期換vs普通油短期換(假設都按recommended mileage)，哪個對引擎好？

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• if you are in a warm area, and the engine was designed to use di -老生長談- ♂ (362 bytes) () 03/04/2015 postreply 09:43:38

• 個人傾向於合成機油，看壇裏很多人車開的不多，一年一換多省事！ -than- ♂ (0 bytes) () 03/04/2015 postreply 17:49:14

• 答案完全取決於對下麵這個問題的回答：家裏的樹上，長不長 -原野青蛙- ♀ (495 bytes) () 03/04/2015 postreply 22:38:26