"By orienting the spark plug _away_ from the intake valve, the ground electrode may help shield the center electrode from wetting. Probably marginal, and not related to combustion efficiency per se, except in the sense of blowing out the candle, but this may be beneficial, for instance, cold starting an engine that suffers from puddling."
Maybe in theory this works. I doubt it would a difference unless you have a magneto ignition system from the 1920s. As someone else stated, indexing isn't worth the time unless you have valve clearance problems. For most of us, more performance is gained by cleaning out the trunk. Michael Agusta _________________________________________________________________ The New Busy is not the old busy. Search, chat and e-mail from your inbox. http://www.windowslive.com/campaign/thenewbusy?ocid=PID28326::T:WLMTAGL:ON:WL :en-US:WM_HMP:042010_3 -- to be removed from alfa, see http://www.digest.net/bin/digest-subs.cgi or email "unsubscribe alfa" to [email protected]

