I average 9 mpg with mixed highway and city, including 20 mile grades.

496" RB, 91 octane, 10.44:1, low .600 lift solid cam, 2.76 rear gears. Most highway speeds aren't even enough to get me above the converter stall.

At 140 mph, turning 4900 I averaged 10.8 mpg for the 90 miles of the Silver State Classic.


11.33 @ 118.46 on motor
10.75 @ 125.35 w/ a little spray
Now, high Speed Open Road Racing - Silver State Classic Challenge, Nevada Open Road Challenge, Big Bend Open Road Race
Rocky Mountain Race Week 2020, 2022 2.0, Sick Week 2023