Hi Gene, I was leaning toward the .012s, so thank you for the thread pitch information. Now, the thought of a 3 electrode NGK plug that doesn't need indexing is VERY appealing! Thank you! Stevan
In a message dated 7/12/2010 10:06:24 AM Pacific Daylight Time, [email protected] writes: > Date: Sun, 11 Jul 2010 22:38:08 -0700 > From: Gene Brown <[email protected]> > Subject: [alfa] Re: Spark plug indexing washers, how thick? > > Stevan, > The spark plugs used in the Alfa have a thread of 1.25 mm per revolution > which would be 0.04921" per revolution so the 0.012" washers would be about > 1/4 turn. The 0.43 spacers would be about 7/8 of a turn, the 0.54 spacer > would be 1.1 turns and the 0.64 spacer would be 1.3 turns. I would say that > having several of the 0.12 spacers would probably be the best bet. > > I have been using NGK BP7ET three electrode plugs in my Montreal for some > time now with good results and you don't have to worry about indexing them. > > Gene Brown > Simi Valley, CA -- to be removed from alfa, see http://www.digest.net/bin/digest-subs.cgi or email "unsubscribe alfa" to [email protected]
