Originally Posted by JackB 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.
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