Quote:
Originally Posted by Piwoslaw
67mpg? That is insane!
Have you tried making the airdam lower only on the sides, in front of the tires? I believe this is the new trend in OEM airdams. The lack of the middle part reduces frontal area, but the extra air going under the car doesn't increase drag too much because of the smooth bellypan.
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It is insane, that is why I can't believe that, not with just one tank.
That modern airdam is what I do if I can get smooth bellypan made and sideskirts added, but before that I think it is best to keep dirty air out from underside as much as possible.
I had lower airdam section at front of tires but there was less than inch of clearance and that was bit problematic with our rough roads, even this 2 inches (50mm) is scraping, but at least it is not scraping on road, just when going to parking places and at most extreme bumps on road, we have quite extreme, but I'm sure you know a lot from those as I remember your beautiful country had quite a few potholes years ago, maybe roads are improved by now?
I think that I'm coasting easily more than 30% of time, also I can pulse and glide in lot more now, so in my car, underside seem to have huge effect.
Must get a pic sometime, airdam still would need to be smoother and better angled, it is bit of variable angle still, but hoping to get it better soon.
I would like to install air guide on hood, to reduce wind noise, but front edge or near windshield, which is aerodynamically better?