Forgot to mention, if you are going to play with the spark gap I would try for .060". Important to make sure that all of the plugs are as close to each other (re gap) as possible. If you want to get really picky you might also want to index each plug so they all face the same way in the combustion chamber. That way the electrode doesn't shield the spark. David Teitelbaum vin 10757 --- In dmcnews@xxxxxxxxxxxxxxx, "content22207" <brobertson@...> wrote: > > Don't forget to increase plug gap as part of your test. IMHO that's > one of the biggest advantages of high voltage ignition. I'm running > .041" with good effect, on standard Delco single electrode spark plugs. > > Bill Robertson > #5939 > [moderator snip] To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/dmcnews/join (Yahoo! ID required) <*> To change settings via email: mailto:dmcnews-digest@xxxxxxxxxxxxxxx mailto:dmcnews-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/