SPARK PLUGS

  • Tiny
  • chuck12
  • 2005 Cadillac Escalade Ext
  • V8
  • AWD
  • automatic
  • 66,000 miles

What r the best spark plugs to get better gas milage on a 2005 cad ext, and can they be replace from the top?

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Sunday, March 13th, 2011 AT 1:10 PM

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  • Tiny
  • factoryjack
  • Expert
  • 4,263 posts

In my opinion, you are going to get the best performance, and economy, with the plugs the vehicle was manufactured with. Others may claim improvements, and I think that is just a catch to get you to purchase their product. You can get them from the top, the rh rear plug(#8) is going to be the most difficult. Often times the plug wire boots can be a bit of a struggle to release.

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Monday, March 14th, 2011 AT 5:27 PM

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