Re: ngk-buhw-2 plugs
What does the manual specify ?<br /><br />BUHW-2) Plugs<br /><br />"Surface and semi-surface discharge firing tips are less sensitive to voltage requirement increases due to gap growth(wear). . In addition, this type of construction aids in burning away the carbon which can act as a bridge between the center electrode and plug shell. This bridging can cause plug misfire. "<br /><br />NGK Site..
