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Well,the good must be balancing out the bad because tonight I did a quick A,A-B,B test.
There is a high point on the road on my last leg to the house,and as much as I did not want to remove this thing,it kept bugging me wether it's doing any good or not.
So here is what I did. The high point(or top of hill) is marked with the double yellow lines starting,this is where I pop the car out of gear.
Hold steady speed 60.5 MPH (for some reason easier to get than 60),get to mark,pop out of gear and coast to another landmark 0.6 miles away,then to another at an additional 0.7 miles away.
Kamm extension on first run: 60.5 MPH - 36 MPH - 15 MPH
second run: 60.5 MPH - 36 MPH - 15 MPH
Kamm extension removed:
First run: 60.5 MPH - 36 MPH - 15 MPH
second run: 60.5 MPH - 36 MPH - 15 MPH
Freaking identical so I did not see a reason for 3 runs each.
So it really doeas not do any measurable difference,therefore while I have it off,I will do some tweaking to it to raise the rear when ever I get a chance and I guess, do it again.
This might be a while though as work takes up my play time.
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