+1, and especially if the vehicle has aluminum heads!

 

Well now, whoever thought up the Acetone and AFT idea needs a pat on the back. I saturated the plug, waited a while, and out the plug came with not a whole lot of force. The real good thing is, the plugs look fine.

Thanks for the idea.

Mitch

 

Use a little anti seize on the threads and torque the plugs correctly and you won't ever have a problem again.

 

I am also facing stuck spark plug problem, All I you need to do is buy a good penetrating oil for stuck spark plugs.
I find this article very useful for best-penetrating oil