Too hot or cold?

[vacuum 6]

How can you tell if the plugs you are running are too hot or too cold for the application?

 

[Electrajim]

This might help.
Spark Plug Analysis

ElectraJim

 

[vacuum 6]

I saw that but the pics are not that good.

 

[Jerryl]

I saw that but the pics are not that good.

How about this?
sparkplugreading

 

[vacuum 6]

How about this?
spark plug reading switch champion at sparkplugreading

Yeah that's pretty good.

What about spark plug reading for all conditions?

 

[Jerryl]

Yeah that's pretty good.

What about spark plug reading for all conditions?

No such thing as far as I know.
Sure, there are guidelines and you can "combine" the picstures/readings.

Best bet is to get the reading for/at WOT and combine that with a WB. :biggrin: