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My only concern with using strings would be if the strings stretch, changing the length depending on how hard you pull. If stretching isn't an issue I guess that would work.

Be sure to do a rim/tire compensation before you set toe.

Hub, not the wheel.

I agree, depends on the guy doing the alignment.

Just hold the gauge firmly against the hub to take the reading. Might need an assistant for caster swings or use your knee to hold the tire so you have both hands free. Are you planning on using turn tables? What is your plan for setting toe?

Street car stud (1/2") on top and circle track (5/8") on bottom.

He is using them on a circle track car. The wheels will be taken on and off, slid sideways through corners at a high rate of speed, (sometimes on tracks with deep ruts) and ran into by other cars on a regular basis. It's a different world than running them on the street. There is a reason...

Floater

5/8" Studs front and back. Coarse thread is more popular at the dirt tracks around here. It's not just a bigger stud, the lugnuts are bigger too. Edited to say 5/8" instead of 1/2".

Lower the front end.

Longer upper ball joints.

Or change the camber curve.

His duster had shims for the upper control arm?

Here is a video of my circle track car on my chassis dyno measuring pinion rotation on acceleration and deacceleration. It's a metric 4 link rear suspension and the pinion wraps about 2.3 degrees on acceleration under full load.

This is a good video to explain pinion angle.

We can politely agree to disagree.

That is true about toe if there are no other forces acting on the car. When another force causes the car to pull in one direction you will have to turn the steering wheel in the opposite direction to maintain straight ahead. This force could be caused by caster, the road crown, tire pressure, or...

That isn't what i'm saying. What I learned was that if a car came in and it showed tire wear and the only thing out of spec was the caster that even though I was taught that caster isn't a tire wearing angle, in fact it very well could be the cause of the tire wear. There is enough range in the...

I guess so. If you drove from east coast to the west coast in a 100 mile an hour cross wind out of the south it would have the same effect. You could blame the tire wear on the toe being off because of the wind.

I guess that I would say is as long as you don't induce an pull to one side or the other with caster it is not a tire wearing angle.

Keep in mind the best specs for road racing may not be best for tire wear on the street. Might have to pick your poison.

Not in my experience doing front end alignments. I was taught in tech school that caster is a non wearing tire angle but running the alignment rack taught me otherwise. You can have toe correct and camber correct and still wear tires if caster is incorrect side to side causing a pull to one...

If caster is off side to side causing a pull in one direction it will wear tires.

Just curious. How did you set your toe? How did you use the lazer on the rear tire?

If you or someone you know is handy with a torch you could slice those bushings out. put the torch head at angle that is almost parallel with the bushing and hit the O2 as soon as it will cut. once you have a slice in it you can drive the sidewall of the bushing toward the center with a hammer...

-5 camber?

If you have a fairly flat floor to work on you can use a framing square against the tire to measure camber. If you are at approximately zero camber the square will cntact the top of the tire and the bottom at the same time. If the square contacts the bottom and there is a gap at the top you have...

Where do you get offset upper control arm bushings?

He's not off to a good start. The position of the hole he drilled tells me he should probably take it to a pro. The crooked hole isn't a deal breaker that can be fixed if needed. He should probably quit while he's ahead though.

I used to work at a blacksmith / welding and repair shop. We did that kind of work all the time. Find one and take it there. If you don't have experience at this type of repair you may turn an easy fix into a hard one.