sportlinecrx
Banned
these guys are professional racers and wanted to find out for themselves if the claims about iridium plugs were true. you can scroll to the bottom for the results.
http://www.autoindustriya.com/ads/denso2.html\
cliff notes: iridium plugs RULE!
http://www.autoindustriya.com/ads/denso2.html\
cliff notes: iridium plugs RULE!