4V Clevo Spitting Plugs
Hi, my 351 4V Clevo manages to blow the No. 1 spark Plug about once every 2 x weeks. No other plugs are blowing, just the No. 1
Ive tried to clean the plug & put it back in, but the plug seems dead.
Any ideas why this plug continues to die.
Plugs are hot NGK,s