Forum Discussion

slarsen's avatar
slarsen
Explorer
Aug 28, 2013

Why the different ratings: under/over 10K GVWR Gas

I have a 2012 Gasser, and I'm about to take a trip that will put me on the Rockies more than once. I was looking up the ratings to find the 'sweet spot' RPM's, and this is what Ford lists: Horsep...
Tow Vehicles
ib516's avatar
ib516
Explorer II
Aug 28, 2013
From what I read, the engines are exactly the same, with the same tune.

The power is measured differently in different weight classes, hence the different ratings.

The reason for the different ratings is for licencing and insurance purposes. Some take a big jump when GVWR exceeds 10,000#, so they rate one at just under that to save people money. Again, the trucks are identical AFAIK.

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