SPEEDYLIFSAVR Founding Member Sep 18, 2000 666 0 16 FL,89 LX 5.0 Dec 1, 2006 #1 Dec 1, 2006 #1 actually this is a 2 part plug question..... What size are the thermactor plugs that go in the back of the gt-40P heads ? what spark plugs should I use on my gt-40p heads? Thanks!
actually this is a 2 part plug question..... What size are the thermactor plugs that go in the back of the gt-40P heads ? what spark plugs should I use on my gt-40p heads? Thanks!
L Lxstang306 New Member Nov 27, 2006 33 0 0 Dec 1, 2006 #2 Dec 1, 2006 #2 i ran in to this with my gt40p heads u have to get spark plugs for the explorer that use a diff plug. if i remember right auto light plug number is 954 for gt40 p heads easy way to get spark plug get them for a v8 explorer
i ran in to this with my gt40p heads u have to get spark plugs for the explorer that use a diff plug. if i remember right auto light plug number is 954 for gt40 p heads easy way to get spark plug get them for a v8 explorer