KnightInAVolvo Posted September 4, 2006 Report Share Posted September 4, 2006 Ok so do coper plugs only last 5k for peak efficency??? If so thats just another thing that wasnt working when my car ran 14.1 at the track. The fuel pump is also fucked, alternator, and tires were 1/10th tred. When I get this thing back to peak performance (and put the new down pipe and the intake from pras) Ill get new times.... sorry for the tangent but do they really only last 5k miles? (i have had them in for over 10k) Link to comment Share on other sites More sharing options...
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