The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 230-250 I6 hei

MikeN · 08-02-2013, 10:32 AM

You can use the original/stock plugs, just open the gap up to something between .045 and .060.

08-02-2013, 10:32 AM	#8
MikeN Registered User Join Date: Oct 2007 Location: Marietta, GA Posts: 814	Re: 230-250 I6 hei You can use the original/stock plugs, just open the gap up to something between .045 and .060.