welly Posted April 21, 2009 Share Posted April 21, 2009 Last week I fitted new pluigs and leads to my 2.5 110k mile Legacy. Is it just me or would this make the car run better and seem to have more get up and go? I am assuming the new plugs and wires are giving me better/ more efficient combustion - or am I just imagining the whole thing? Link to comment Share on other sites More sharing options...
Rooster2 Posted April 21, 2009 Share Posted April 21, 2009 Not your imagination, a good tune up with new plugs and wires most certainly will pep up your car. Link to comment Share on other sites More sharing options...
bheinen74 Posted April 21, 2009 Share Posted April 21, 2009 especailly if your plugs were worn down enough to open the gap larger than spec., which would not allow full burn of fuel, and not as strong spark... Of course, new plugs, properly gapped, should increase all around performance. Link to comment Share on other sites More sharing options...
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