If you don't have an engine analyzer (as Peter did), it shows up as a
sudden 50 rpm
or so drop -- just like it does when you're doing your runup.

So, since I *do* have a JPI engine analyzer, it won't do that?

;-)

(Sorry, I couldn't help myself...)
--
Jay Honeck
Iowa City, IA
Pathfinder N56993
www.AlexisParkInn.com
"Your Aviation Destination"