Quote Originally Posted by Max Torque View Post
Kyle,

What engine are you using the Autolite 386 in?

Unfortunately, I spend a lot more for the plugs in my experimental O-290 than you do - comes out to about $20 for all eight plugs...

The Champion aircraft spark plugs I run in the engine in my Cessna cost about $26 each.
The plugs go in an 0-320. I'm running the Electroair electronic ignition on one side (4 Autolite plugs) and a mag on the other side, using aviation plugs. I've never had a problem with either type of plug.