Well I just got back from my week away to Pennsylvania and Virginia. All I can say is OH MY GOD! My 96 Deville is running better than it ever did, I CAN NOT get over it.. Here are the statistics: 1,050 miles 465 miles today alone in 97 to 101 degree heat in bumper to bumper traffic 3 times for about 20 miles each time Averaged 55 mph today even with the bumper to bumper traffic as the traffic went from bumper to bumper to 70 to 75 I averaged 23 miles per gallon today for the entire