No, but it will show up clearly on an oscilloscope. It's also pretty informative to take the insulator block out of the side of a distributor and put a dial indicator plunger against the cam. There's usually a few thousandths of difference in the lobe lift from one high spot to another, which means the ignition timing varies a little from one cylinder to the next.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!