Last couple of days my car has been acting funny. First I thought it was cold weather, then possibly a shitty tank of gas but today the car absolutely was bucking at low rpm launches from the light.

Misfire? Thats what I was thinking but before going to Topeka in September (7000 km ago) I changed the cap, rotor, NGK wires and NGK plugs. I thought I would take a look just in case....

What I found was the number 1( I think-near distributor)) spark plug had the electrode broken off.
The part of the elbow that gets zapped from the tip is no longer there, just a bit paralell to the tip.
Obviously I know I need to replace them but I have 2 questions,

Do you think that tiny piece of metal has done significant damage to the valves or cylinder? I guess a leak down will tell me for sure, or maybe I got lucky?

What in the world could cause this?

I have 300,000km on this car, 100,000km on this rebuild and I change plugs every 20,000kms...yeah thats a lot of plugs. This is the first time I see this.

Comments??

 

Sure, go kill yourself

 

lmao....cylinder 4 is nearest to the dizzy cylinder 1 is nearest to the timing belt

 

No way dude, I saw how a dumb fat *** tried to do it at Expo on a treadmill and it was not pretty.

 

no matter 4 or 1 , do you have anything useful to add?
Thanks chump.

 

sell it get an sRt-4?

serious note, you prob didnt do any real damage, but do the standard compression/leakdown, they will prob be ok.. if your really curious use a borescope to look in the cyl

 

Thanks John.
I will do the diagnostic later this month.

I am really curious as to how a brand new plug could fail like that.

 

i had two bosch plat 4's fail on me back in the day. they nearly separated in half. **** breaks, live with it and move on.

 

Last time I saw this happen with a spark plug to someone on here, they had blown a hole through a valve...

 

I had an NGK plug in cylinder 3 do the same thing to me on summit main, car fell flat on its face. I expected the worst but the scope didn't show anything and after putting new plugs in the car ran fine.

 

yeah my car is running fine for the moment, we'll see after the leak down.

 

Yep.

 

If I ever run across you again I'm going to punch a hole thru your head.

[freak] you and your car.

 

lol...e-violence at its finest