New diesel-bad MPG so far
So, I'm pretty excited about my new truck. I just bought a 1999 F250 SD 7.3 Manual CrewCab Long bed with 150k. I'm interested in getting into biodiesel. I've already been filling up with B20, and no starting issues. (It's already been -5 here in Wyoming!) I've only filled it up once, but I only got 15 MPG. I'm a little disapointed-I was hoping for something more in the 20 MPG range I did drive up and over Teton Pass (very steep and about 10 miles long) twice, but other than that I've been trying to baby it to get good MPGs-but still have mainly done in-town drives of less than 10 miles at a time. It has all new fluids in it. What else can I do to increase my MPGs? I put some 265-75-16 Kumho ATs on it, so I'm not running really big tires and there is no lift or modifications at all. What can I do to get better mileage? I'm thinking air intake and maybe a chip. Any recommendations? I won't be pulling anything this winter, but I will be towing my buddies wakeboard boat to the lake a lot this summer. I know I'm opening a lot of issues right now, so have at it, and thanks.