I just refer folks to
This Article on Hot Rod dot Com from a guy who is as close to an aerodynamic guru as we'll ever know. Towards the bottom he states under the caption
"
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."
So, Boom. Fantasize about dimples working all you want. Greater minds than ours have said "Fuggedda Bout It". 9 Years ago no less.