spark plugs

35

Asked by Oct 30, 2010 at 05:50 PM about the GMC Sierra 1500

Question type: Maintenance & Repair

has anyone switch their plugs to E3 yet? notice any difference?

1 Answer

85

I used them and they are all hype. I did not get any noticeable power increase nor any fuel savings and at $8 each for a total of $64 they may never pay for themselves. GMC 2001 Siera

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