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Exploded spark plug

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Old Oct 20, 2015 | 07:29 PM
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Exploded spark plug

OK I'm driving along and I hear this ticking. Upon inspection I noticed top of spark plug and coil exploded. Spark plug thread still screwed in. Now a lil history. When I bought the expy I noticed old rubber socket insert stuck around plug. In pic I inserted there is still rubber and some melted metal (unknown type of metal) fused to thread. Can I use mapp gas to break the fuse contact so I can get socket over thread? And can any one identify molten metal on socket in pic to let me know how many minutes I should keep mapp gas to melt it



Bottom of exploded spark plug still screwed in is this aluminum or another metal by yellow arrow?
 
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Old Oct 21, 2015 | 10:16 AM
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Looks like a helicoil was used previously to repair that spark plug hole.
 
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Old Oct 21, 2015 | 04:11 PM
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Exploded spark plug

Thanks alloro any idea how I can get that out?
 
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Old Oct 21, 2015 | 04:18 PM
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Did you try an easy-out yet?
 
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Old Oct 21, 2015 | 04:37 PM
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Exploded spark plug

Nope good ideal thanks. First problem is on my pic at bottom that silver looking metal by yellow arrow is fused to spark plug thread. Was wondering can I mapp gas it free if so don't know how long to keep torch on it without damaging cyl head?
 
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Old Oct 21, 2015 | 10:52 PM
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Originally Posted by trun10tion
Was wondering can I mapp gas it free if so don't know how long to keep torch on it without damaging cyl head?
If you're going to apply heat like that I suggest removing the cylinder head to do it.
 
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Old Oct 22, 2015 | 12:51 AM
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And check the surface later. Un-even heating of a cylinder head, specially an aluminum one, has a very high risk of warping it.
 
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Old Oct 23, 2015 | 02:20 PM
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Thanks guys well burned a little more found out easy out best way to go. Now just need right extractor screw size to get bought size 5 to small thinking size 6 or 7?
 
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