Spark Plugs

over50Member

I've search the forum and concluded that for my street driven 393 stroker 351C the best plugs are probably Autolite 25 or Champion RV15YC gapped at .055. I have an MSD distributor and 6AL module.
Do I have the right conclusion. What about platinum or other plugs.
Thanks
Norm

10/7/184:41 PM

Original Post

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