Ah crap cross-threaded spark plug hole D16Z6
Is there any way to fix this without pulling the head? First time removing the plugs on this beast and #1 is boogered up but doesnt lose compression or anything. Getting a new plug back in was a chore.
The plug is in there just fine right now but now I'm in the tuning process and am probably gonna foul out the plugs once or twice so I'd like to know what my options are, if any. :( <---sad face |
Re: Ah crap cross-threaded spark plug hole D16Z6
ugh that sucks...I've heard of using a helicoil to fix that but never used one myself...look up some info on how thats done and that shold give you an answer but I think the safest way to repair would involve removing the head :-\
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Re: Ah crap cross-threaded spark plug hole D16Z6
To use a helocoil you need to remove the head because you will be drilling/tapping the new thread.
My question is, can you use a helocoil on a spark plug hole? will it withstand the pressure? |
Re: Ah crap cross-threaded spark plug hole D16Z6
Everytime i hear of this situation thats the common repair...I always use never-seize on my spark plug threads ;)
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Re: Ah crap cross-threaded spark plug hole D16Z6
Originally Posted by Loserkidwac
Everytime i hear of this situation thats the common repair...I always use never-seize on my spark plug threads ;)
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Re: Ah crap cross-threaded spark plug hole D16Z6
Originally Posted by SloS13
Same here. I have the big jar of the gray kind. Always use it on plugz and lugz and anything else thats prone to rust like suspension bolts, etc.
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Re: Ah crap cross-threaded spark plug hole D16Z6
You could try running a tap through the threads to see if you can save them. You can chance it with the head on and try sucking it out with a vaccum as you go, but most of the time the head is taken off. :-\
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Re: Ah crap cross-threaded spark plug hole D16Z6
Yeah good idea. Does anyone know what the thread/pitch is for a spark plug?
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Re: Ah crap cross-threaded spark plug hole D16Z6
ummm im pretty sure they sell thread chasers specifically for spark plug threads
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Re: Ah crap cross-threaded spark plug hole D16Z6
Ok when you run the tap, smear wheel bearing grease on the tap- the shavings stick to the grease! My friends dad recommended this to me as I just tapped out my oil pan while it was still in the car, and the grease worked great- all the shavings came out stuck to the tap.
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Re: Ah crap cross-threaded spark plug hole D16Z6
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Re: Ah crap cross-threaded spark plug hole D16Z6
If its partially stripped and you run a chaser down it you will run the risk of blowing the plug out of the cylinder. I would remove the head and do it right.
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Re: Ah crap cross-threaded spark plug hole D16Z6
Originally Posted by CSaddict
If its partially stripped and you run a chaser down it you will run the risk of blowing the plug out of the cylinder. I would remove the head and do it right.
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Re: Ah crap cross-threaded spark plug hole D16Z6
Originally Posted by Loserkidwac
My GF escort blew a plug out of it...kind of funny her dad then just wrenched it down in there (I was at work) and pretty much fucked it up real good, she was having missfire problems so we had to change it and well she did the same thing and just thread it isn there as tight as she could get it....stopped the missfire and hell never blew out again and she just traded it in for here new car...suckers :P
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Re: Ah crap cross-threaded spark plug hole D16Z6
heli coil works fine on plug holes i`ve had two different head that has heli coil on them.
chaser should work just fine. |
Re: Ah crap cross-threaded spark plug hole D16Z6
Originally Posted by ifly87
So YOUR the bastard! jk Yes you can use a heilicoil for your spark plug, ive used them before they work great, U need to take the head off, but really its not that hard.
On topic: Because the insert provides an enlarged bearing area, the restored fastening is stronger than the original. It is also more durable, since the stainless steel thread is generally tougher than the original material. Precision inserts are corrosion resistant and their 22-microinch or better surface finish provides a smooth-running, wear-resistant fastening. |
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