Bed topper ? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 13 (permalink) Old 05-15-2007, 01:36 AM Thread Starter
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Bed topper ?

You guys that have a topper on your bed how much did it increase your fuel milage?

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post #2 of 13 (permalink) Old 05-16-2007, 07:14 PM
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i gained like 3-4 mpg with just a roll-n-lock retractable hard bed cover so i would think a topper would help alot more as long as it doesnt have the step up in the rear.

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post #3 of 13 (permalink) Old 05-17-2007, 02:15 AM
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I didn't notice any difference with mine. Nothing positive or negative...of course my stuff stays dry now.

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post #4 of 13 (permalink) Old 05-17-2007, 10:57 AM
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no noticeable difference. If that is your sole purpose of buying a topper, unless you buy a really cheap used one, I don't think you will never recoup your costs.

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post #5 of 13 (permalink) Old 06-27-2007, 05:29 AM
 
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Quote:
Originally Posted by Rcannon
no noticeable difference. If that is your sole purpose of buying a topper, unless you buy a really cheap used one, I don't think you will never recoup your costs.


I have a soft top, so I run with it rolled up half the time. I really don't notice a difference in mileage, but it sure is nice to have while traveling. :Thumbup:
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post #6 of 13 (permalink) Old 06-27-2007, 10:58 PM
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I didnt notice any difference on my 96, finally took it off, what a pinta, Even mine wasnt tall enoguh to put a pushmower in (and sit on all 4 wheels) pallets of seed corn etcI jsut otok it off and put a toolbox in for all the jonk

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post #7 of 13 (permalink) Old 01-26-2008, 06:38 PM
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nobody here watches mythbusters huh?? they tested this its a hoax it does not work youget more mpg with out it. something to do with the way the wind flows into the bed and out creates less drag??if you build a cover that is slanted from the cab down to the tailgate as someone on here did I believe he has seen gains from what I have read anything else probrablyis in your head or your foot(brick)on pedalthing ya know what I mean.

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post #8 of 13 (permalink) Old 01-30-2008, 01:04 AM
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I have an ARE shell, and I get almost 2 mpg less with it on. But i think your asking for what i would call a lid. Just bed high? Like said before my stuff is dry though!

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post #9 of 13 (permalink) Old 01-30-2008, 01:21 AM
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i remember that episode of mythbusters and the cover gave a slight advantage to an open bed but the best was with the mesh like airgate that replaces the tailgate.

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post #10 of 13 (permalink) Old 02-04-2008, 03:50 AM
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Quote:
Originally Posted by astro
I have an ARE shell, and I get almost 2 mpg less with it on. But i think your asking for what i would call a lid. Just bed high? Like said before my stuff is dry though!
This seems kind of weird? Can anyone explain it?

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