Spark plug/spark plug wire
 

On a modified 1978 930, what are the best spark plugs and spark plug wire for it? From what I read it looks like the Bosch WR6DPO to be the number one contender but I rather go with a Iridium spark plug, they seem to have better review and performance. As of the spark plug wire, the Magnecor seem to have a lot of BUzz but should we go for it? Are my braided wire better or lesser performance? A thought what about keeping my braided wire and just changing the spark plug connectors? How often are the spark plug wire suppose to be change or can you keep it as long as it is doing a good job?

I was thinking of making hihgh quality 11MM spark plug wire with high quality ends. What are your thoughts.
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Spark plug wires do not last forever.

Most of us normally aspirated engine drivers have the best luck with copper-core plugs.