Reply to "What the heck just happened?"

cybomanMember

quote:
Originally posted by 72red:
Ok so there's some consensus that I have a blown head gasket. V8Capri - what is this about a dead spark plug - how does it cause the gasket to fail?

I think what Paul (V8Capri) is saying about the 'dead plug' is that if you pull out the spark plugs on that side and one is rusty, it's a telltale sign that your getting water into that cylinder. Hence the headgasket diagnosis. The water/coolant will contaminate the plug (water/rust), and cylinder gases will take the same path out into the water jacket. Coolant will billow out of the tailpipe with a white cloud like you're 007 laying down a smoke screen! (Been there.) When you pulled the overflow cap off, did it smell like burnt gases?

Incidentally, if there were blue smoke coming from your tailpipe, it means you're burning oil (valve seals, piston rings, or head gasket), and black smoke would mean you're running rich (all the gas isn't burning completely in the combustion chamber).

Michael

5/10/0810:04 AM

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