Thank you PF.
The link does tell me what is possible. I suppose by 'high pressure pdobe' they mean 'high voltage.
Hookup diagrams would be nice to have.
Of course the only electronics in a 1948 auto is the ignition system.
Would love to look at 4 cylinders (8 total) at a time with the Rigol.
I do have inductive pickups that I can salvage from timing lights.