Fibreglass tonneaus don't really weigh that much. Maybe 100 pounds?
My old fibreglass cap for my full-size truck weighed less than 200 pounds
easily. So a flat piece of the material can't weigh that much.
And if you've ever seen a vinyl tonneau flapping on the highway, that is
pretty in terms of aerodynamics, so a solid, flat, surface for the air to
flow over has got to be the best thing available for gas mileage.
Frank WJ
>AMEN!
>
>Its when you install fiberglass covers that you offset the the increased
>gas mileage
>with the increased weight.
>
>I've been running my tek-sport tonno and I've gained about 2 mpg with it.
>
>Guahiro
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