Another option is this style of gauge from SPC, it attaches to the rim itself. It takes a little practice to get it attached so your results are repeatable, but it's a great tool. I have one because I run aluminum hubs and wheels so a magnetic gauge is pretty much useless.
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SPC Performance 91000 SPC Performance FasTrax Camber Caster Gauges | Summit Racing
SPC also makes a standard magnetic bubble gauge, and their stuff is made in the US.
SPC Performance 81139 SPC Performance Magnetic Adjustable Camber Gauges | Summit Racing
100% false.
Wheel offset doesn't change the procedure for how you set camber or caster at all. Not one bit. The procedure for setting caster and camber with a stock 15x7" +6 offset wheel is identical to setting caster/camber using an 18x9 +35 offset wheel.
This isn't that simple at all. Changing the offset changes the scrub radius, but it doesn't exist in a vacuum. Lowering the car, changing the camber, changing the caster, all effect the scrub radius as well. So just saying that higher offset wheels will change the scrub radius is misguided. One car may need completely different wheel offsets than another to have the same scrub, depending on how the car and alignment are set.
And unless you're running bias ply tires,
ALL of the stock recommended setting are completely wrong and should be avoided at all costs.
No need for a different set of wheels. Just buy the right tool in the first place.
