Posted By: 74RR
440 spark plugs? - 06/27/08 03:52 PM
What plugs should I run in my Edelbrock headed 10:1 440?
440 spark plugs?
Posted By: 68LAR
Re: 440 spark plugs? - 06/27/08 04:05 PM
I use the Autolite 3924. They seem to work very good for me. 
Posted By: captaindodge
Re: 440 spark plugs? - 06/27/08 09:17 PM
I just installed Champion J63Y racing plugs in my stock 69 440 and it seems to have cured by "pinging" 
And I even gave it a little more advance than before. 
And I even gave it a little more advance than before.