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Does anyone have experience with the bore scopes that are used with iPhones to check valve alignment? Any thoughts or recommendations would be greatly appreciated . Thanks

I got one a couple of months ago. Gave my F a bath shortly afterwards and decided to use it. VERY revealing! Had to change pads on #1 and 2, but 3 and 4 were fine (as was the rotor).

Thank you. Which one did you use?

I bought it at a bin store. Cheap! Works with my laptop, though, which i think is important (it's too hard to see what's going on on your phone.)

Thanks!