Very interesting article. I would like to begin annotating readings of voltage spikes/surges occurring in vehicles with large alternators, operating with severely depleted vehicle batteries. I am unsure of the best method of approach and which specification of oscilloscope to use for this type of testing. Would you be willing to provide any recommendations?
I moved your post from the LC voltage spike app. note thread to this new one.
Why not just start with the standard probes on your oscilloscope? They should generally be able to withstand things on 12V car systems.