Plugs, wires, and coil

Howdy howdy guys and dolls!

1973 dodge dart custom, pepped up 360, largely stock ignition system, air gap intake, deep rock 650cfm 4brl carb.

Continuing on my revamp of my dart, I have heard it said a few times over the years that my choice of spark plug could be better.

In every mopar I’ve ever owned, I have run champion copper plus plugs. That’s just what dad and grandpa did, and it’s what I have done. However, since I am revamping with the “best components” during this redo, I wanted to ask the brain trust.

This will be for street juking and jiving play, maybe rare on the track, and driving around.

The rest of the ignition is largely stock aside from likely an upgraded coil and wires.

So, what do you guys recommend as far as coil, wires, and plugs?

Any help or insight or part numbers would be greatly appreciated.

(I’m not really interested in replacing with HEI at this point. Just improvement over what is there)


Stay with Champion plugs. The No Good Kind are harder to read and the heat ranges are whacked.

If it’s a small block and under 10:1 you need a Champion RC12YC.

Rare earth metal plugs are for suckers. Pass on that junk.