06-12-2015, 12:54 PM
Thanks, great info. Plugs at $5 or $20 are till relatively cheap. No issues here, I like to upgrade plugs as called for when it calls for on replacement. That often calls for iridium on replacement.
I had a 2003 GMC truck, I had two upgrades to the original replacement plugs.
I had a 2003 GMC truck, I had two upgrades to the original replacement plugs.
