I'm running Delco R44T plugs @ .45 gap in my street only BB and have for years. Iron heads, HEI ignition. Time to replace plugs and wondering if anyone has a suggestion for any other brand or gap or am I ok with what I'm using ?
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more!