Are you sure that it is not your rear suspension causing the front to be uneven? When I have the preload cranked up on my right rear spring, the left front sits lower.
400 bored and stroked to 468, #13 heads, 3.70 gears.
Current best: 10.382 @ 128.33 mph, 1.413 60'. 3440# race weight. Powered by E-85.