Thanks guys Great info!!
Here is a quick FYI... I drove my MB FD to Nashville on Wednesday.. On my way up there I stopped for gas 2twice. After about 86 mile run I was averaging about 80MPH and filled up 3.6 gallons of gas.
From there to next gas station, I was averaging about 90+ MPH (with occasional 120+MPH pulls) and 117 Miles I filled up 6.2Gallons!!
Bottom line, I'm getting better MPG on my FD than my 8
It took me 2hours and45 mins to go from Downtown Bham to Downtown Nashville with 2 stops.. I thought i did pretty good.