Do I need new spark plugs? This is the plug from the rear rotor bottom plug (leading).

 

it looks kinda tan to me so it should be fine.

but since u have them out ... if you have some new plugs around why not replace them ?

 

I just turned the wheel and pulled this out. The rest are still in the car. And I don't have new plugs, I'm debating getting new ones. The car has 58k miles.

 

when was the last time u change da plugs then ?

the plugs aint that expensive. if u're a cheapass like me, shop around and u can get all 4 for like around 70 bux

 

I've never changed the plugs and I'm the first owner. They may have been changed during the slow start recall.

 

That TSB/Recall had change your Leading plugs, which might be why your leading plug in photo looks pretty decent.

You might want to take one of your *trailing* plug out and look at it now.

Anyway, I suggest you to change it all.

 

They look good color wise. They should be changed around 30-37K miles so you did well and will notice it when you change them. They run 50-80 bucks(ebay or sparkplugs.com) and get the OEM ones by NGK, they are the best.

 

hmm, okay.... i got to find some cash then

 

go to www.autopartswarehouse.com and get them shipped to your door for 85 dollars

 

Actually they seem unusually light to me. Do a light of high-rpm/high speed driving? If not, double-check the heat range on the plugs; maybe they gave you "hot" plugs. Which may not be appropriate depending on your driving conditions.

Considerable ash deposits and the center electrode is well-rounded, suggesting these have been in service for a long time.

 

Those are the best plugs I've ever seen on a RX8.

No fouling fuel. No black at all.

If he was lean they would be much lighter and yes plugs do change white when they are too lean.

 

Thats what I thought razz. They looked pretty good to me...

The car has never flooded.

 

brown is good
black = bad.

Rodger: you've got 50,000 + miles, don't ya? Might be time to replace them