Understanding & Reading Spark Plugs

[John69RR]

I hope this info will be helpful. I saved it from years ago when I worked on Materials Handling equipment.

 

[John69RR]

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[John69RR]

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[John69RR]

This page is very helpful.

 

[ACME A12]

Very interesting, John. Thanks for sharing!

Ray

 

[69hemibeep]

Thanks John

 

[Basketcase]

thanks! I had an old Chilton's Manual my Grandfather gave me years ago that had all that info in it. It was in the old garage of course.......

 

[SomeCarGuy]

I'm glad some people still know these lost arts.