Originally Posted by wydopnthrtl
Not true. Plug resistance and how shrouded the flame front is, matters. You'll feel it in both smoothness and in slight power increases. Especially in tip in.
But hey.. what do I know.
The difference in the effective series resistance between copper, and platinum plugs is in 100's of milliohms (0.001 OHMS = 1 milliohm), so resistance is a NON-ISSUE.
BUTT dynos aren't accurate at all!!!!