Spark plug help
Registered User
Joined: Nov 2005
Posts: 455
From: Morton IL
Looks a little rich. What plugs are they and what are they/were they gapped at? I never buy platinum plugs, they aren't ever "pre-gapped" correct. TR-55's (standard) gapped at .050" works good for me.
How's your air filter and how long since O2 sensor replacement? Do you have any mods that would cause you to run rich i.e. headers, !cat?
How's your air filter and how long since O2 sensor replacement? Do you have any mods that would cause you to run rich i.e. headers, !cat?
Administrator
Joined: Nov 1998
Posts: 71,122
From: Hell was full so they sent me to NJ
They look like the Iridium plugs.
Try this reference:
http://www.dansmc.com/spark_plugs/sp...s_catalog.html
Try this reference:
http://www.dansmc.com/spark_plugs/sp...s_catalog.html
Thread Starter
Registered User
Joined: Mar 2003
Posts: 1,495
From: Westmont, IL
Sorry, theyre just regular NGK Tr55's. Put in a little less than 2yrs ago. I have headers and !cats. Im not super worried about it, and if its running a little rich,thats fine with me. I was just worried that it might be lean or something. Thank you!
Registered User
Joined: Dec 1969
Posts: 27,730
From: Little Rock, AR
Looks a little rich. What plugs are they and what are they/were they gapped at? I never buy platinum plugs, they aren't ever "pre-gapped" correct. TR-55's (standard) gapped at .050" works good for me.
How's your air filter and how long since O2 sensor replacement? Do you have any mods that would cause you to run rich i.e. headers, !cat?
How's your air filter and how long since O2 sensor replacement? Do you have any mods that would cause you to run rich i.e. headers, !cat?
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