wow thats a long trip, did u run entirely on wvo? I did not see u crusing thu shabbona, i drive from shabbona to naperville everyday for work. As for your heating issue, i don't know much on your car but i now on mine if i have my heater on and am pulling heat into my car my vegg system takes longer to switch over, and obviousleay that works the other way too i .

__________________
2011 e320 cdi (132,000) current
2005 Jeep CRD diesel--2.8L (138,000 miles) wrecked, insurance took
1993 Mercedes benz 300D 2.5 Turbo Frybrid powered. (336,000 miles) wrecked and sold as parts car
1990 Mercedes benz 300D 2.5 Turbo (170,000 miles) wrecked and sold as parts car

Check out my Frybrid Vegtable Oil Conversion at http://1990300dfrybridconversion.shutterfly.com/