OEM ACDelco spark plug conventional or something better

Tiny
DCKELLEY
  • MEMBER
  • 1998 BUICK PARK AVENUE
  • 3.8L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 190,000 MILES
Should I buy conventional OEM ACDelco or a better ACDelco for my car? Copper, platinum or iridium? I can't seem to find the information online.
Friday, February 22nd, 2019 AT 4:04 PM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

I have included for you in the diagrams below all the information you requested for replacing spark plugs and your spark plug wires. I would recommend using the OEM spark plugs as they were the ones intended for your car. I hope that this helps.

Thanks,
Alex
2CarPros
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Friday, February 22nd, 2019 AT 8:00 PM

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