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Robby9's avatar
Robby9
Explorer
Jun 27, 2013

Fiberglass vs. Aluminum mpg's

My new fiberglass TT is 2' longer and 600lbs heavier than my former aluminum sided TT. (the old rig did have a rounded fiberglass front.) On a 400 mile trip this weekend I got 1 mpg better than usual. I've read that smooth fiberglass gets better mileage, but I didn't really believe it.

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