I'm currently at 46.6k miles. I purchased the car with 37k miles in December 2010. I dug up on the records prior to my ownership of the car, and it turns out the spark plugs were last changed at 21k miles. So 25k miles and two seafoam treatments later, here are my old plugs... whatcha think everyone? Did they need changing? Lol
https://www.rx8club.com/attachment.p...1&d=1330300290

 

sigh
congrats

 

I'd clean them up with a brass brush, re-gap and keep as a spare set.

 

I was going to try to give them a clean to see how much they would clean up, I usually keep some used parts put away just in case. I was planning on installing a passenger side oil cooler today, but couldnt as i didnt have and could find a clip shown in this diagram. Its the clip found at the bottom of #14 in this diagram

 

They really don't look all that bad, actually.

 

Considering the care i take of my car (spark plug neglect an exception), redline daily, carbon treatments, etc. they could've been much worse. Whoever was the person who did the plugs made it a major pain in the *** for me since they hadn't put ANY anti-seize at all..

 

clean the new ones in between oil changes, and looking at your pictures I dont remember mines ever had any corrosion, you may wanna pay attention to that.

 

when i first got the car, i found that the flap inside the wheel well had come halfway off and so water was sometimes kicking up and right onto the plugs. i fixed that and checked the area for rust but the only rust was those few spots on the plugs so i got lucky

 

It is not adviseable to re-gap iridium plated plugs if they are worn beyond spec, and I certainly wouldn't use anything harsher than a plastic toothbrush & solvent (carb cleaner, seafoam, etc.) to clean them.

 

They had a good run, but it's time to let them go.

You can see the center electrode has significant recession, (the gap is getting larger) and the last thing you want to do is try and bend the side electrode. It will break off, possibly inside the engine.

Nice color, your mixture is perfect.

(moved from Lounge)

 

yeah i was only going to get some throttle body cleaner and a brush to see how clean they would get, then most likely trash them. i didnt want to try to regap them as i was concerned it would likely break in the motor and destroy it.


Color of..?