Good equipment doesn't mean good alignment. But, you should have a printout of the results, so post those here. Camber/caster should not only be within spec, but should match closely L to R. Swapping wheels front/back may solve your problem of pulling - for now. If alignment is the cause, though, the tires will re-wear until you're pulling again.

Steve

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'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7