Few questions...

1. As a general rule, how long (in km's) do plug wires last?

2. Is Ford stock best?

3. If not, what brand then and where to purchase (in GTA - Brampton area)?

99 Sport SE - Zetec Mods: My wife vacuumed it last spring , my son wiped up his hot chocolate spill in December. My daughter found the tooth she lost last week .