Melvin Hatcher
Petty Officer 2nd Class
- Joined
- Sep 16, 2003
- Messages
- 181
What is the life expectancy of surface gap spark plugs? 
<br /><br />Can they be visibly checked, or do they just give poor performance when they go bad?
<br /><br />Can they be visibly checked, or do they just give poor performance when they go bad?