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| F Series Forum covers questions and discussions regarding Ford F-150, Ford F-250, Ford F-350, Ford F-450, Ford F-550, Ford F-650, and Ford F-750. |
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#1
01-05-2006, 01:53 PM
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fuel Economy with topper
I bought my truck from my dad and it has a fiberglass topper on it, and for as long as he has had it, the toppers been on. Does any one out there know if the get better fuel economy with or with out one or if it’s about the same. I have a 1991 F150 XLT 4.9L 8’ box and get about 15-17mpg with the topper.
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#2
01-06-2006, 03:22 PM
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If its in tune , you should get about 20 with the topper off.
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#3
01-06-2006, 10:37 PM
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Re: fuel Economy with topper
Running lot's of miles on the 99 F250 I can say I get about 1-2 mpg less mileage when the fiberglass topper is on the truck.
__________________
1999 Ford F250 XLT X-cab short bed 4x4 Powerstroke auto 2000 Ford Excursion Limited 4x4 Powerstroke auto 1989 Shelby CSX-VNT #339 of 500 all original with Recaros 1986 Shelby GLHS #284 of 500 restored to original 1965 Ford Mustang 289 V8 pony interior 4brl carb Cars sold or parted out in a 3 month period, 2-85 GLHT's, 2-88 Shelby Z's, 87 Shelby Z, 88 Lancer Shelby, 2 85 Shelby Chargers, 89 Shelby Daytona
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