Should A Sparkplug look like this?

TSWG00

Founding Member
Sep 9, 2002
202
0
0
Snohomish, WA
So I don't think a spark plug should look like this lol Anyway I figured out what happend to my stang :(. Needless to say I have no piston left and the parts in the intake I found were parts of it lol. Still not quite sure how it happend more pics to come.

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LOL yeah I was pretty surprised that it was my intake valve that broke off. I also bent the connecting rod lol but that's all that's left is the connecting rod and the wrist pin :(. Oh well thankfully i have a new used engine to throw in it and then I get it detailed then I sell it :(.
 
What kind of RPM were you spinning when it happened? Do not lie either! It looks as though you had the intake valve open and the pison kissed it a few times and then it finally broke off and bent the push rod while it was kissing it.
 
I know how you feel. I broke a valve spring at 6000+ rpms and the valve floated and hit a piston and bad things happend...very similar to yours. However, my connecting rod ended up in my oil pan and on the expressway (most of the rod went thru the side of the block). If I can find some pics from when it happend i'll post em up my combustion chamber looked very much like yours. Sorry to see it happen to someone else....what kinda heads were those?