Hey guys I am back with this weeks results. After removing the back seat, and increasing the the tire psi to 40 I went 395.4 miles on 10 gallons. I probably could have made it to 400 but I didn't want to push it on my way home from work. Today I filed the tank until I heard the clink, 10.83 gallons. I have adjusted the my driving habits a bit, I put the car in neutral down every hill, I even drafted a large truck for 20 miles on the highway.
This week I will increase the psi to 45. I made a grill blocker out of cardboard and duct-tape. It looks like crap but I think it will help. I will report back next week.
Also does anyone know if anyone has created a step by step build guide for the MPGuino? If not I might try making one when I build mine with pics and screen shots.