I found out that 5/8 works. Though Zetec Racing told me it's 16mm which is probably more correct. I only break the ceramic when I'm getting them out. wink Seriously, I broke the ceramic on one plug and messed up my spark plug socket, but I got it out.


"Wow, that sank fast." "Yeah, like a rock."
96 Contour GL ATX
9mm Ford Racing Wires; 2 Resonators down, 1 to go;"Special airbox"; many mods planned
Sony CD player: 50wattsx4;remote;
Speakers=50 watt Pioneer 6x8s
Ross Evans smile