Spark Plug Question
Safety Car
Joined: Jan 2004
Posts: 4,974
Likes: 14
From: Pinellas Park Fl
St. Jude Donor '08-'09 & '12, '14
Are the plugs you currently are running causing a problem?
Does the heat range seem to be ok?
Is the compression the same as stock?
If the answers are no, yes, yes, then why change.
Of course, 95.9% are going to say, NGK blah blah blah .......
Does the heat range seem to be ok?
Is the compression the same as stock?
If the answers are no, yes, yes, then why change.
Of course, 95.9% are going to say, NGK blah blah blah .......
Thread Starter
Race Director
Joined: Aug 2005
Posts: 13,592
Likes: 187
From: Hudson WI
NCM Sinkhole Donor
It is OK today, but I don't know if the changes would require different plugs.
Tech Contributor
Joined: Dec 2006
Posts: 10,962
Likes: 29
From: Van Buren Arkansas
Wounded Warrior Escort '11
Just watch your charging system if you change plugs. The electrical noise generated by some plugs will mess with the charging of the battery. Yeah, I know it sounds impossible but its true.
Safety Car
Joined: Jan 2004
Posts: 4,974
Likes: 14
From: Pinellas Park Fl
St. Jude Donor '08-'09 & '12, '14
Start with the stock plug. There is plenty of info on the net to help you figure out what heat range to use. Heat range is more important than the manufacture.
If you bump compression I would start with the stock plug unless you go more than 1 compression point, then drop back one.
If you drop compression I would start with the LS3 plug. Off hand I don't know if it's hotter or colder than the LS2 plug, but since they have slightly less compression, it would be a good start.
If you bump compression I would start with the stock plug unless you go more than 1 compression point, then drop back one.
If you drop compression I would start with the LS3 plug. Off hand I don't know if it's hotter or colder than the LS2 plug, but since they have slightly less compression, it would be a good start.
Thread Starter
Race Director
Joined: Aug 2005
Posts: 13,592
Likes: 187
From: Hudson WI
NCM Sinkhole Donor
Start with the stock plug. There is plenty of info on the net to help you figure out what heat range to use. Heat range is more important than the manufacture.
If you bump compression I would start with the stock plug unless you go more than 1 compression point, then drop back one.
If you drop compression I would start with the LS3 plug. Off hand I don't know if it's hotter or colder than the LS2 plug, but since they have slightly less compression, it would be a good start.
If you bump compression I would start with the stock plug unless you go more than 1 compression point, then drop back one.
If you drop compression I would start with the LS3 plug. Off hand I don't know if it's hotter or colder than the LS2 plug, but since they have slightly less compression, it would be a good start.
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Safety Car
Joined: Jan 2004
Posts: 4,974
Likes: 14
From: Pinellas Park Fl
St. Jude Donor '08-'09 & '12, '14