Quote:
Originally Posted by Frank Lee
I don't have direct experience but I do recall an old Popular Mechanics article about ecomodding a small pickup and they said a regular decently fitted topper was better than none. IIRC they said it was better than a tonneau too, but I'd have to go find it. Also the LEER topper site had wind tunnel results from toppers and tonneaus.
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the issue i am finding is several articles have said it is better but then i've read others that say the drag is way worse 
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82 rx7 diesel
82 300d diesel
84 b2200 diesel
All veggie, all the time!
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