The wheels won't change the alignment but they will change what the specs should be. In the end the guy doing the alignment better have a good idea.

In the long run alignment specs will have to be developed to deal with what you have done. I would suggest a few extra millimeters of toe based upon the direction everything moves under the extra loading. Those can be applied now or later.

Alignment specs are designed to allow stationary measurements that result in the proper position during loading. By altering the suspension factory specs no longer apply; but won't be changed when the tires og on.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician