GM switching to Iridium Plugs for 2005 model year
09-02-2004, 03:25 PM
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GM switching to Iridium Plugs for 2005 model year I found this website that listed all the changes for the 2005 GM Truck engines.
http://www.gminsidenews.com/forum/in...showtopic=7579
It looks like for the 4.8, 5.3 and 6.0 GM will start to instal Iridium plugs from the factory.
http://www.gminsidenews.com/forum/in...showtopic=7579
It looks like for the 4.8, 5.3 and 6.0 GM will start to instal Iridium plugs from the factory.
09-02-2004, 09:39 PM
#2
Very cool, but I still wonder if the Iridiums are as good as copper for performance applications.
Looks like the LS2 and the aluminum 5.3L (the current SSR motor) won't be getting them.
Looks like the LS2 and the aluminum 5.3L (the current SSR motor) won't be getting them.