Without taking your car apart, it is difficult to fully diagnose a problem. I did notice your car was not balanced. You have a good amount of up and down movement on one side of the front end while the other side has little. When I put the car on the scales I see one side of the front end carries little to no weight.
Also, you have a good amount of play in your rear axle. Both side to side and overall. I'm thinking you didn't glue your bushings in or you axle is worn or something else....
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