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Okay, as promised here are my findings tonight.
I have (4) bit clones from Walgreens that I opened up all for the sake of science.
Car 1 - stock magnet: 3,350 gauss
Car 2 - stock magnet: 3,550 gauss
Car 3 - stock magnet: 3,560 gauss
Car 4 - (2) r.e. from RS: 3,450 gauss
Stock magnet taken out of Car 4: 3,550 gauss (I guess I should have left it in, huh?)
Remaining r.e. from RS #1: 2,600 gauss
Remaining r.e. from RS #2: 2,600 gauss
Remaining r.e. from RS stacked together: 3,700 gauss
All stock magnets (which are in fact rare earth to begin with) are within 6% of each other. The (2) I bought from Radio Shack are more than 7% different.
This leads me to believe that the stock rare earth magnets are of better quality and a better bet to getting good steering than any magnet bought at Radio Shack since you probably don't own a gauss meter to pick the very best ones, and even if you did, a couple hundred gauss will not make a noticable difference in steering. I really don't know what to tell those of you who insist you have noticed a difference, because as you can see, it is pretty much an impossibility. :shrug:
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