Quote:
Originally Posted by ecomodded
I remember reading that a car would gain 2-3 mpg with wheel skirts so taking the size of the wheel wheels in question i upped the value to 4-5 mpg. I must admit it sounds unreasonable, I am going to change my estimate to 3-4mpg  |
That was probably 10% or so def reasonable, to the truck, say 15% improvement(large wheelwells) and 1.5-2.5 mpg could be possible