They were within an 8th like yours, but some were closer, some were further away. Using the frame mounts to correlate, I came up with those numbers representing the average give or take 1/8".


Deve

1950 Chevy 3100 Deluxe Cab
1950 Chevy 3100 Standard Cab
In the Stovebolt Gallery
The Think Tank
More info and tips at Deve's Technet