What alignment specs are you guys using on your 62-65 Fairlanes. Stock or a more performance setting. I know some mustang guys are using negative .5 degree camber and up to 2.5 degree postive caster. I had mine aligned by a supposedly reputable shop, but I'm still not totally happy with it. I think they probably did just a standard stock setting or maybe did a toe and go!. I am running a wider tire than stock so it seems to grab any imperfection on the road.
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Steve 64 S/C big brakes 8.8 rear 289 lentech AOD, strut front suspension

I've run into the same situation on my 67 Ranchero. I have had alignment shops align mine and they did it per specs in the book.
My wider tires will wander also and I've yet to find a place that can align it properly.