Thread: OM603 Engine Oil -- Is Zinc/Phosphorus Needed?
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Old 05-16-2014, 12:50 PM
Maxbumpo Maxbumpo is offline
Diesel Preferred
  
Join Date: Oct 2007
Location: Charleston SC
Posts: 2,789
I would not worry about zinc / phosphorus / ZDDP. Any modern diesel-rated oil is FAR superior to the oils that were available when that engine was new.

90% of engine wear occurs during and immediately after a cold start, while the oil is too thick to properly lubricate. Using a 0W-40 rated oil will reduce engine wear immensely.
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Respectfully,
/s/
M. Dillon
'87 124.193 (300TD) "White Whale", ~392k miles, 3.5l IP fitted
'95 124.131 (E300) "Sapphire", 380k miles
'73 Balboa 20 "Sanctification"
Charleston SC
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