Quote:
Originally Posted by spc2125
To put them in, take the new ones and PUT ANTISIEZE ON THEM. DONT FORGET THAT.
PUT ANTI SIEZE ON YOUR SPARK PLUG THREADS ! or else youll end up putting a crack in your cylinder head the next time you try and take out your spark plugs. Then turn them as much as you can and when it becomes tight, just do 90 degrees more and your all set.
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Thanks, I wasn't sure where they were either. Are replacement spark plugs from GM acceptable or are other brands preferred?