04zjimc

I read somewhere here that the mark on the strap, if it's after the bend you have to much timing and if it's closer the the threads you need more timing? Here is a pic of mine these are new plugs.

pgandy

See link..

https://www.corvetteforum.com/forums...-my-plugs.html

Scroll down to tblu92.

04zjimc

That's it thank you!