7 mpg.
It may do 9-11 mpg at constant speed driving.
427 with Tunnel Wedge and 2x4's.
Solid roller cam.
11.1 to 1 compression.
wide ratio Toploader.
3.70 rear ratio.
The roll bar is flat black now. I think my mpg was a little higher when it was still chromed. (less wind drag)
David