I finally got in a long cruise with the NB, and was rewarded with my first tank over 50mpg. 753.7 miles on 14.847 gallons for a 50.75mpg average. Sweet. 2003 NB, 5spd, some air con, 36 psi tires, about 25k on the car, 8oz PS per tank. Now it's time to aim for the 800 mile mark. Thanks to all...