Reply to "Lubrication for trucks that works in severe load and temperature"

rokkyMember

I doubt switching oils is going to affect coolant temperatures much. 50 weight oil may be a good idea if ambient temperatures are that high.

Waterwetter may help keep temps down but it is very expensive for a large coolant system as those in trucks.

Your best bet is to see if there are thermostats available for those engines that will open at lower temps.

You could also check the water temp sensor for either the shutters or the thermatic fan(I have no idea what those engines use). This could be changed for a lower temperature one or bypassed altogether to keep the shutters open or the fan going all the time. By-passing is a good thing to try to see if it works instead of buying parts right off.

5/28/063:20 PM

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