I’m not interested in any other engines at this time. Please only post if you have data from your OM603

Poll criteria: level or near level highway travel between 65-75 mph with ambient temperature under 70(°F) and no A/C

List any pertinent data in your post. Below is mine.


1987 300TD with 265,xxx #22 head


80-85(°C) on flat highway cruising at 65-75 mph, it will go up to 90(°C) when climbing, but will return to 80-85(°C) when descending or leveling off
85(°C) around town


up to 110(°C) climbing from 2,000 ft. to 6,5000 ft. at 70-80(°F)


Radiator is a 7 years old Nissens


water pump is 6 years old


fan clutch is 3 years old


new coolant within the last year

__________________
1987 300TD 309, xxx 2.8.2014 10,000 mile OCI


Be careful of the toes you step on today, as they may be connected to the ass you have to kiss tomorrow. anonymous

“Be who you are and say what you feel, because those who mind don’t matter, and those who matter won’t mind.” Dr. Seuss