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spark plug exploded?
Had a very unusual occurrence the other day. I actually blew up a spark plug. It didn't leave the car or anything. We just removed it and the white ceramic insulation completely separated from the metal. The center metal core and tip moved within the threaded shank. Any thoughts on how this could occur? They had about 29k miles and were due to be changed anyway, but I'm wondering if there is something else besides wear & tear that would explode a spark plug?
Wires, cap, rotor and plugs all had about 29k miles on them.
Never had this happen before.
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65 356SC Cab - 70 T Sunroof Coupe - 82 SC Targa - 86 Coupe - 87 Targa - all sold years ago
89 944S2 Daily Driver-Sold because...still thinking why.
73.5CIS Targa Shed Find -On the Road Again
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