Antifreeze coolant-Ethylene vs Propylene
I'm preparing to change the coolant (antifreeze) in my '99 Holiday Rambler. It is a Cummings ISC 8.3L (350hp), with 70+k miles. I'm choosing to replace the fluid with SCA (currently in there), instea...
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Thank you everyone for your input. I do wish it was as easy as 'looking in the manual' or 'under the hood'. Even when I took it to the Cummins dealer many years ago, they did not note 'which' antifreeze they put in *ethylene or propylene (and I didn't know any better, nor question them).
Cummins, in their manual 'Tech Dept.' state that the ISC engine should use either (ethylene or propylene). I again contacted today and was advised I should switch to the OAT base antifreeze.
Bottom line...I think I will probably switch to the OAT base antifreeze. I've noticed that there has been a few articles on the web showing the steps to take to accomplish this. Again, thank you to all...
Cummins, in their manual 'Tech Dept.' state that the ISC engine should use either (ethylene or propylene). I again contacted today and was advised I should switch to the OAT base antifreeze.
Bottom line...I think I will probably switch to the OAT base antifreeze. I've noticed that there has been a few articles on the web showing the steps to take to accomplish this. Again, thank you to all...
