Quote:
Originally Posted by badbread
No sound change in reference to the spark plug change.
I did this before I had MHD but others have shown a significant improvement in timing corrections with new plugs.
And here is some more about the rough running values (was buried in another blog post)
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Wow +/-2.0 to +/-0.5 is a big change. How does that change translate to fuel efficiency and performance/power?