I found this thread through searching:

https://www.rx7club.com/showthread.p...k+plug+cleaner

What's the best machine to get? Also, what's the best way to "bake" a plug?
After 1 cleaning, I will discard the plugs. I know blasting wears them down some, and you can't blast thin electrode plugs. Should still save me some $ since I like to swap plugs often. Thanks

 

Is there any known harm in brake parts cleaner and a wire frame brush?

 

Blasting is fine, but as mentioned in the thread it won't revive the really dead plugs. If you do it regularly, you'd be surprised how long plugs can last on a rotary. I used the cheapy Harbor Freight one.

 

wire wheel and brake parts cleaner. Been doing that for 14 years now. Always worked and always will.

 

Thanks for the responses. I bought the Harbor Freight one.

 

I actually never had luck cleaning plugs on my FC. I did it a couple of times and I think the gas mileage got worse.

 

I've thought about putting or making a cap to go over the electrode to protect it from the sand blasting.

 

i know this post is kind of old but i use brake parts cleaner and a wire brush and not just in my 13b ive also used that method in my grand am and my corsica when i had it... just my 2 cents

 

Cool. My dilemma is, the stock NGK 9 trailing plus (for a TurboII) that I use in my FD are cheap enough to just replace every time, but the expensive thin electrode (NGK 11.5) look like they aren't safe to sandblast...

 

soak the tips in BBQ cleaner for an hour then it's brake cleaner and toothbrush time.

 

For the thin electrode race plugs? That sounds doable.