F FeTTstang New Member Nov 21, 2006 61 0 0 Dec 7, 2006 #1 Dec 7, 2006 #1 Hey I have autolite 103's in right now. What plugs are one step colder? I don't think they make 102's and they need to fit GT40P's. Any info would be great.
Hey I have autolite 103's in right now. What plugs are one step colder? I don't think they make 102's and they need to fit GT40P's. Any info would be great.
aleborjas New Member Sep 11, 2005 610 0 0 Dec 7, 2006 #3 Dec 7, 2006 #3 103 is colder than stock stock is arround 106
