I agree with Kevin. Flatten the washer again then take a micrometer and measure the width of the flat washer from the OD to the ID in several places and file down the high spots to make it more concentric.

I provided a diagram of my axle configuration so you can compare dimensions.

Press on, you got this!
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Rear axle dimensions

Last edited by Phak1; 11/09/2024 1:10 PM. Reason: Added photo.
Phil
Moderator, The Engine Shop, Interiors and Project Journals

1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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