F350 Super Duty vs 3500 Denali vs The Ike Pulling 30k lbs
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4x4ord wrote:I kind of doubt the GMs fan ran all the time.
^^^ Its really hard to say. Maybe GM is wanting cooler temps so the cooling fan never shut off. My Ford runs up to 205 *F in minus 5*F weather cruising down the level highway without a trailer. The GM ran in its peak hp range the whole way up the hill and yet put less power to the pavement than the Ford did running at 2200 rpm. If that big cooling fan was running continuous it may have robbed an awful lot of HP.
In the Ford, when it came on, it was VERY loud.
The GM was quiet inside.
And if that huge fan had been running, it should have made some noise, and I would think that they would have talked about it like they did with the Ford.
The low trans temp doesn't suprise me, as my 2011 also runs cool even towing in AZ in the summer.
