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#40: 02-26-2013, 06:59 PM
 
 mattmattyxcore
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My bad, I didn't know it was such serious business. I just wanted to express how much I enjoyed the science and information of this thread, like others have done. If it pleases you, I'll get back on topic.
Here are the specs of the available NGK plugs referred to on the first page...
THREAD SIZE
(HEX SIZE)

Part No.
Heat Range
Firing End
14mm x 3/8"
(13/16")
R5670
5,6,7,8,9
Projected
14mm x _"
(5/8") R5671A
R5671A
14mm x .460"
(5/8") Taper Seat R5673
R5674
R5671A
R5671A
7,8,9,10,11
8,9,10
Standard
Projected
14mm x .460"
(5/8") Taper Seat
R5673
R5674
6,7,8,9,10
6,7,8,9,10
Standard
Projected
14mm x .708"
(5/8") Taper Seat
R5724
8,9,10
Projected

Does anybody know dimensions offhand for the EJ22E plugs? I was looking to get the v-groove ones but they didn't seem to be available.

Last edited by mattmattyxcore; 02-27-2013 at 08:08 AM.. Reason: I'd hate to offend anyone