柴油車換裝渦輪後機油選用問題 - 汽車改裝
By Dora
at 2011-07-27T20:21
at 2011-07-27T20:21
Table of Contents
上次問過板上前輩機油選用問題,打算找支5w40 CG4 or CI4的機油來試試看
但身邊朋友都說柴油車靠壓縮引爆油汽太稀的機油可能導致引擎運轉不良或是
燃燒效率下降,但看到其他新款柴油增壓引擎原廠油品也都偏稀,抱著姑且一試
的心態找了支5w40CI4認證的油品給他換下去了,本想說老式柴油引擎本來震動
噪音就大~換上稀的油品有可能更慘,但事實上震動噪音並沒有變大反而還更小
可能是一般常見10W40 10W50 15W50的油品都屬中低階合成油,5W40這號數大多
屬中高階合成油或全合成使然,之前擔心的引擎運轉問題也沒發生,運轉算順暢
只是熱油時間大大縮短,但最大的差異是之前嫌夏天水溫偏高,換了這支油之後
水溫表刻度降了快一半,幾乎是之前冬天的水溫讓我滿驚訝的,有跟其他人聊過
他們懷疑是稀的機油汽密較差,導致引擎壓縮壓力下降,所以水溫會比較低但是
這陣子新竹好望角跟南投清境兩趟跑下來,動力方面並沒有明顯差異,倒是油耗
似乎好一點,之前以為是天氣熱渦輪車本來效率就會低一點,沒想到機油的差異
可以這麼大,以前玩兩輪高轉引擎才覺得機油有差,沒想到柴油這種低轉引擎也
能有這麼明顯的差異@@||
--
剛入手新玩具原廠配置'魚眼'五門掀背,配備H形高剛性底盤
2500cc中置引擎渦輪增壓後輪驅動,及5+1速密齒手排變速箱
再搭配3種動力模式切換,輕量化寬幅5爪8J-16"鋁框跟235胎
加持後就是台能載全家上山下海到處玩樂的柴油4WD DELICA
附上相簿鏈結^^ http://photo.pchome.com.tw/fzxll/017/
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Tags:
汽車改裝
All Comments
By Tracy
at 2011-07-29T22:52
at 2011-07-29T22:52
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at 2011-08-04T08:15
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