Spoiler

Last post on Aug 05, 2008 at 3:54 PM

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#1 of 1 Spoiler by lowrider2 Aug 05, 2008 (3:54 pm)
I have Coachmen Toy Hauler loaded with a couple of Harleys almost 10,000 Lbs and the mileage varied quite a bit driving between 60 and 70 MPH when I left Savannah Georgia and all the way to the Texas Panhandle I was getting 8.5 to 9.8 MPG (according to the on board computer) then from New Mexico to California the mileage jumped to 9.5 to 12.1 MPG, except as we headed up hi-way 101 to Monterey we were fighting head winds (that felt like 60 to 70 ) and got 7.4 MPG. After looking at numerous big rigs I noticed that all had Spoilers or a form of a spoiler, I see they are some advertised, the question I have is anyone using one and how much do a difference dose it make.

#1 of 1: Spoiler by lowrider2; Aug 05, 2008 (3:54 pm)

I have Coachmen Toy Hauler loaded with a couple of Harleys almost 10,000 Lbs and the mileage varied quite a bit driving between 60 and 70 MPH when I left Savannah Georgia and all the way to the Texas Panhandle I was getting 8.5 to 9.8 MPG (according to the on board computer) then from New Mexico to California the mileage jumped to 9.5 to 12.1 MPG, except as we headed up hi-way 101 to Monterey we were fighting head winds (that felt like 60 to 70 ) and got 7.4 MPG. After looking at numerous big rigs I noticed that all had Spoilers or a form of a spoiler, I see they are some advertised, the question I have is anyone using one and how much do a difference dose it make.