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				spark plug tubes
			 
 
			my understanding is that the spark plug tube for 03 and newer do not get replaced when doing a plug replacement service. Apparently, they are metal and only come out during an engine out procedure. do the O-rings need replacement? Getting ready to do my 60 k service (at 80k miles - just got the car), and need to know  what to get for this job. Also, any plug recommendations?
		 
				__________________Ed
 Pittsburgh, PA
 78 5 spd 928 Blumaxx (in Hemmings S & E issue #100)
 85 928S garnet red stock daily driver
 06 Mustang GT Legend Lime and modified to go even faster
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