One more question Joe.
Was the EM2 or the Microtec controlling ignition?

Paul

I have the MicroTech. That's what Atkins sells with his engine
package. It seems to be a reasonably complete and robust system.

Here's a picture of the broken sparkplug.

Joe Hull
Redmond/Seattle WA, Cozy-Mark-IV -  71hrs

Thanks for the picture Joe.

I think a slightly smaller gap might prevent the broken ceramic
from dropping below the ground electrodes.


Paul Lamar ...No rotor no motor.

That is a different spark plug from the standard 2nd gen BUR7EQ-L/BUR9EQ-T? Looks more like the spark plug used on the first

> gens?
> Perry Mick

Thanks Perry.

Jim Mederer and Dave Lemon, have you seen this failure before.
The supposition is the ceramic insulator failure took out the
apex seal. Is this a common problem in racing engines?