[Healeys] spark plugs

John Sims ahbn6 at verizon.net
Mon Mar 23 06:49:04 MST 2009


A matrix showing the spark plug coding for NGK and Champion plugs is now on
my site in the Ignition section of the Technical Page. The matrixes are
current.

John Sims, BN6
Aberdeen, NJ
 
www.healey6.com


-----Original Message-----
From: healeys-bounces at autox.team.net [mailto:healeys-bounces at autox.team.net]
On Behalf Of Peter Svilans
Sent: Sunday, March 22, 2009 10:46 PM
To: healeys at autox.team.net
Subject: [Healeys] spark plugs

According to an old Champion catalog:

2nd Prefix:   R = resistor, or U = auxiliary gap,  X = resistor as well
1st Prefix:    N = 14mm thread, 3/4"reach, 13/16 hex
Basic Number:  1 to 25 = automotive, small engine, ordnance
1st or 2nd Suffix:    Y = projected core nose  or  C = copper-cored center
electrode

Best
Peter
Healeys at autox.team.net
http://autox.team.net/mailman/listinfo/healeys

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