Take it to a shop, not a Pep Boys or large chain like that. They usually only know toe and go, I know I worked at a Pep Boys in Charleston SC and I was the only guy in the place who knew how to do an old car. I was also the only guy who could rebuild a carb.
If you dont get the toe right, the tires will wear fast, same with camber. Camber isnt difficult to adjust on Mustangs, its the bottom bolt in the lower control arm. It has an eccentric. More caster will make for better high speed handling, less camber makes it easier to turn at low speeds like a parking lot. I usually dial in as much caster as I can get on my hot rods.
Also a drag race alignment is very different from a daily driver alignment, although it can be done if you are willing to put up with some weird stuff like the tires wanting to follow tar strips.
Sure you can get close with an angle finder, but you have no idea how it lines up with the rear tires and its difficult to find the true camber because the sweep screws everything up. If the rear doesnt line up with the front, you get dog tracking and/or the steering wheel wont be straight while going down the highway.
Not that you cant do it at home, but you really REALLY need to know what you are doing and how to do it. Eastwood and Summit both sell a tool for $145 that you can use the old way, and yes I want to get one when I can since alignments are one of the things I cant do right now because I dont have the tools for them. I plan to have it checked before I just start driving around with an alignment I did with it, to find out how accurate they are.
Man I made good money doing alignments, I could do 4 of them in an hour on the newer cars or two older cars in an hour. Alignments paid me 1.1 hrs each, so if I did 4 of them I was getting 4.4 hours for that 1 hour, so that was $88 an hour at my rate. Its nice being an ASE Master tech, it pays slightly better even part time.
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