Should let dad drive more often 18.9mpg with 2000lbs in bed

[GOTIGERS]

I let my dad borrow my 07 double cab 5.7 trd yesterday to haul 1800lbs of flooring from baton rouge to Venice La. (about 150 miles) I know the sticker says 1500 or so lbs max with my tires. Anyway he averaged 18.9 miles per gallon on the way down. The bed was atleast 1 foot lower than normal with all that weight. My father drives the speed limit and he may have even driven a little slower. There was little traffic, but I was very impressed with the load hauling capacity and the mpg. I wonder if the lower bed had any significant areo dynamic effect? Just thought I'd share that.

[Impelled]

I would think the "slower" foot has more to do with it than the "lower" foot.

[wildbill23c]

So in order to get better fuel economy you should overload the pickup bed. LOL. Actually its a truck so use it for the purpose it was built for, that's what I've always thought, why have a truck if your not going to use it for the purpose its built for.

I can't wait to get mine.