Re: 72 suburban with a duramax (the build)
The radiator is a griffen 31 inch wide with 2 13 inch fans offset. I have never seen the engine temp above 195 unless you are running the air and sitting in traffic then it will just keep creeping up the highest recorded temp i think is 230. If i am stuck jn traffic I wiil just turn off the air and roll down the windows. On the power tour we saw some pretty high outside temps along the way so all in all I am happy with the engine cooling.
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