1997 F-350 Crew Cab long box 7.3l Diesel 4x4. 256xxx miles. New Tires 5000 miles ago, rebuilt trans with triple billet torque converter 5000 miles ago, 3.5 downpipe 5000 miles ago. Aftermarket air cleaner, batteries and alternator 2 years old. Brand new headlights, blinkers, etc. I have a...