Quote:
Originally Posted by chumly
I just made an air dam out of some lawn edging. A B A testing shows 3.16%-4.2 % (avg 3.73%) better mileage. It took a whole half hour to make and install it, I should have done this a long time ago!  Chumly |
I am curious as to how you fastened your wheel covers on the wheels. Did you bolt them on, with washers holding the bolts in place?
Quote:
Originally Posted by ausias
the airdam is a very good invention. IT works very good in my car. But I'm using a 45º airdam.
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I am not following the 45º air dam idea? Is it angled forwards at 45º to the road surface?