Super Moderator
Join Date: Oct 2011
Location: Magnetic Hill, New-Brunswick
Posts: 11,820
Your car should use ACDELCO PRO 41-105 dual iridium(OEM GM#12607280). These come pregapped and 3/1000 of an inch isn't going to make a difference.
Never drive faster than your guardian angel can fly
Last edited by Coby7; 05-24-2015 at 12:49 PM.
