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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

broken extractor piece in my head

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Old Oct 25, 2010 | 09:00 PM
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Default broken extractor piece in my head
any tips for getting a broken extractor piece out of my iron lt1 heads? this **** is impossible to drill out. it broke off in where the header bolts up on cylinder 8
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Old Oct 25, 2010 | 09:18 PM
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what did you break off? If its a tap or an ez out it is too hard to drill into. The only option is to shatter it with a sharp, hardened punch and a swift blow with a hammer.
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Old Oct 25, 2010 | 09:20 PM
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Are the heads still on the car?

And if you broke a screw extractor you're doing something wrong...
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Old Oct 25, 2010 | 09:22 PM
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Originally Posted by RamAir95TA
And if you broke a screw extractor you're doing something wrong...
I have seen the cheap ones snap, but it still takes some doing.
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Old Oct 25, 2010 | 09:23 PM
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Originally Posted by WS Sick
I have seen the cheap ones snap, but it still takes some doing.
Exactly.
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Old Oct 25, 2010 | 09:50 PM
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luckily the motor is out of the car and on the stand. take it to a shop and have em drill it out with a press? and yes i broke off a piece of ex out in it trying to get a broken header bolt out
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Old Oct 25, 2010 | 10:16 PM
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Post up a pic, Might be easier to give tips on how to get it out. Is it broken off flush with the head out a little in the head?...
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Old Oct 25, 2010 | 11:12 PM
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its flush with the head. idk how to post pics.
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Old Oct 26, 2010 | 06:39 AM
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you will have to try to shatter it. I have been through this before. I broke a tap off in my head before. Shatering it will be the only way because the hardness of the steel. You dont need to necessarily hit it hard, just a quick hit with a sharp punch.

Here is a pic of my dilemma, fixed it by shattering the tap. Its really a common thing people do to remove a tap. (I tried a tap remover btw)
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Old Oct 26, 2010 | 06:40 AM
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after:

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Old Oct 26, 2010 | 09:00 AM
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Originally Posted by tricked94camaro
any tips for getting a broken extractor piece out of my iron lt1 heads? this **** is impossible to drill out. it broke off in where the header bolts up on cylinder 8
YES!

A broken screw extractor can indeed be drilled out, just not with an "all purpose" (i.e. - wood, plastic, and metal) drill bit.

You must use a new, sharp, metal-specific (i.e. - 150 degree angle tip) drill bit.

(Ask me how I know)

Good luck!

: )
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Old Oct 26, 2010 | 09:07 AM
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i tried that for almost an hour and got nowhere with a brand new drill bit made for steel. should i heat it up?
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Old Oct 26, 2010 | 10:33 AM
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If your good with a welder ..put a nut on the end of the extractor and plug weld it then use a socket to turn it out.....
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Old Oct 26, 2010 | 01:28 PM
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Originally Posted by tricked94camaro
i tried that for almost an hour and got nowhere with a brand new drill bit made for steel. should i heat it up?
The head? Yes.
The bit? No.

You may need to sharpen that (now one hour old) bit as well.
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Old Oct 27, 2010 | 12:30 AM
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i figured that heating the broken ez out would weaken it and make it easier to drill out
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Old Oct 27, 2010 | 12:33 AM
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do you have any pictures of it at all?? i will post it for you in a few minutes
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