Quote:
Originally Posted by Quadcammer
uh no. The type of plug is not changing the timing of the spark. Whatever you're quoting is marketing wank. Not to mention, a modern fuel injected car like the 986 very accurately controls the a/f ratio, so this WIDE RANGE would be between about 12.8 and 14.7, which pretty much any plain jane copper plug can ignite all day for 40k miles, especially at our given compression ratio.
Lets start with how are you measuring these temperatures so accurately?
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Oh yes the spark can happen faster and with more intensity depending on the what the spark plug is made out of. Have you never watched any videos of different spark plugs sparking? I thought this was pretty common knowledge for gear heads. Go watch some videos on the 4 prong type plugs, they seems to have some latency in their sparking action to them.
If you read my first post, you would know how the measurement was done. By the gauge in the cluster. Now if I had know this was going to happen, I would have logged the temps with my Durametric, it just turned out to be a unexpected surprise.