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Originally Posted by ACEV
Talk is cheap; doing and testing is what matters. MythBusters already proved that dimples save significant fuel on a moving vehicle. Check out episode 127.
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I first came to Ecomodder.com 3 years ago wondering how to make dimples on my truck without adding 600lbs of clay. I was wondering why it wasn't done everywhere, then I got edjumacated. Golf ball dimples don't have the desired effect on cars.
But, don't take my word for it.
Here's an article from a few years back written with Gary Eaker, a former GM & Hendrick Motorsports aerodynamicist.
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Aero Stuff That Doesn't Really Matter
In addition to our list of five tricks that almost always work, here are some things A2 customers might want to try that are really a waste of time.
Golf-ball dimples: They do not work on cars, regardless of the scale of the dimples, unless your car is a 1.68-inch-diameter sphere spinning through the air with no ground plane.
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Hot Rod Magazine - Car Aerodynamics Wind Camp Tech Theory
His talk is Very, Very, Very, expensive, feel free to try and contact him regarding his remark and explain why he's wrong.