loose spark plug??

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sho4life

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ok, driving my sho and all of a sudden no power. the noise is from the rear head on the middle spark plug well. the boot flew off and oil came shooting out. probably from the well being full. but the noise sounded loud like, a knocking kinda it was a vacuum leak. put the boot on on it got a little quiter but still noticable. theres pressure so it wont stay on . could a bad o ring cause this or do i have a loose plug? the engine only has 100k
 

sho4life

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loose plug

yeah , i mean what else could it be? i just read a post about the center of the plug blowing out but it looked fine. also is it possible for the threads on the head to be ruine?
 

church27

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yes it is possible for that happen, just try to tighten it and see if it is tight or will turn a little
 

ViPER1313

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I have seen a spark plug ejected from a cylinder before in a V8 SHO. In that case, it stripped all the threads vertically in the head and the spark plug was just lying in the plug well. A mechanic had to tap the head.
 

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