CAN I UPGRADE THE SPARK PLUGS ON MY OPTRA ...

  • Tiny
  • stevecon
  • 2004 Chevrolet Optra
  • 151,000 miles

Can I upgrade the spark plugs on my optra without running into any problems. They are presently the basic copper ones. Thanks.

Steve

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Thursday, March 7th, 2013 AT 4:50 PM

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