Aiming-in the discrepancy

The renewal of rubber materials in BC7 SUBARU Legacy LSi has produced minus 0,382 minutes thrust angle discrepancy after some break-in running. This value is recognized well by means of tire surface see through method, so, it is not the fact to be ignored at all however small the number might be.
It goes without writing that rubber materials are some tricky stuff to be controlled well those are invited in a vehicle aiming in establishing compliance for extraneous mechanical signals while dynamic movement. So, an initial adjustment of wheel alignment and axle constructive geometry is not always a perfect nor hard to move result at all, but movable and being tracked down to the minimum numbers narrowing the tolerance. This afternoon would be spent for this work and as a precision work, Minolta MD Zoom lens 35-135 modification adopting onto Canon EOS Digital body.