jazz4cash
Give me a museum and I'll fill it. (Picasso) Give me a forum ...
UPDATE: These tires give me significantly worse gas mileage than the Toyo Ultras did! The average of the last five tankfuls with the old tires: 40.84 MPG. The average of the first five tankfuls with the new tires: 36.98 MPG.
We drive 15,000 miles per year, and use 38 more gallons per year, or, at $3/gallon, $114.
I guess it's not worth taking the tires back.
Hmm...pretty tough to compare rolling resistance head to head. New tires would generally have higher RR without regard to design. Personally, driving on new tires always makes me want to drive harder because the handling is sooo much better, so my lead foot would negate any design improvement as well.
I DO think you should return the tires and demand a full refund...it would be very entertaining for some of us to hear more of this endeavour and you never know it just might work!