Engine temperatures
Engine temperatures
i´re reading too much , and in strange places...
indeed there´s 80º and 85º thermostats, and 90ºC, and in after market parts producers 78C. in the end all has to do with the place of the world your vehicle was sold and what thermo MB recommend, as far as i know , 601/02/03/04/05/06 all use the same thermostat part number, of course in 1988 the part number was A602.020XXXXX and now most probably is something like A605.030 00 03. they change part numbers and made improvements , u got to see what engine is and if there is a breakpoint tech.
Like the heads in 603 , from a 87 on the parts were modified , but a pre 87 head fit a 93 engine, most probably will warp and crack.....
About oil temp , of course it can´t run at temp higher than the coolant, most mb engines i know have a oil/coolant exchanger which purpose is more like to bring the oil to operating temp as fast as possible , than cooling the oil.
taking this in account i can tell u for sure that if u can run your engine at 80 to 90º u´re in the safe side , 80º internal temp temperatures is engineering agreed by many as the best mechanical behavior complex machines have, before exhibit heat build.
FD,
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hy mike,
i´re reading too much , and in strange places...
indeed there´s 80º and 85º thermostats, and 90ºC, and in after market parts producers 78C. in the end all has to do with the place of the world your vehicle was sold and what thermo MB recommend, as far as i know , 601/02/03/04/05/06 all use the same thermostat part number, of course in 1988 the part number was A602.020XXXXX and now most probably is something like A605.030 00 03. they change part numbers and made improvements , u got to see what engine is and if there is a breakpoint tech.
Like the heads in 603 , from a 87 on the parts were modified , but a pre 87 head fit a 93 engine, most probably will warp and crack.....
About oil temp , of course it can´t run at temp higher than the coolant, most mb engines i know have a oil/coolant exchanger which purpose is more like to bring the oil to operating temp as fast as possible , than cooling the oil.
taking this in account i can tell u for sure that if u can run your engine at 80 to 90º u´re in the safe side , 80º internal temp temperatures is engineering agreed by many as the best mechanical behavior complex machines have, before exhibit heat build.
FD,
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