Spark plug

[jlanduyt1771]

Would a Champion J8C spark plug work in a 64 fastwin?

 

[joereeves]

It would work right up to the point where the piston starts to melt!

Do not use that plug. Use only Champion J4C or J6C plugs, gapped at .030 in that engine.

 

[jlanduyt1771]

Thanks Joe. Thought I better ask before I did something dumb.