Quote Originally Posted by JackB View Post
My Interstate also got about 5 MPG better than my Tourer. If you do have a trigger wheel than you need to run premium fuel
That's about the same mileage difference I see. It's surprising what a gas hog that Tourer is. One time with strong headwinds in Kansas I got 17 MPG!

I need to change out the timing belts on the Interstate so I'll see if the previous owner installed a trigger wheel.