02-07-16, 02:52 PM
(30-06-16, 02:28 PM)xthib1 link Wrote: [quote author=His Dudeness link=topic=20419.msg235667#msg235667 date=1467201089]
Says what they stand for in that NGK manual
F conical seat
G Fine nickel alloy centre electrode
Hate to say but this makes much more sens to me.
[/quote]
then the plug reference would be cr7eg or cr7ef
they are country reference codes as has been stated previously.
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