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snapped a tap in head

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Old Dec 17, 2004 | 05:05 PM
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snapped a tap in head

i snapped a tap in one of the bolt holes to bolt the intake manifold to the head. there is barely any material left sticking out of the hole so using vice grips or something like that is out of the question. how would i go about getting the tap out?

my auto shop teacher at school said to get a tap remover, but my brother said there is no such thing.

my dad suggested putting something long hard and skinny down each of the 4 little holes in the tap and trying to vicegrip it out grabbing onto those. is this a good idea, and if so, what would i use to put down in the holes?

any suggestions at all are welcome thanks
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Old Dec 17, 2004 | 05:12 PM
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Re: snapped a tap in head

Originally posted by rsn932
i
my auto shop teacher at school said to get a tap remover, but my brother said there is no such thing.

Sorry, your brother is wrong. But it is cheaper to make your own.
Take 2 allen wrenches that will fit down beside the broken tap and grip them with vice grips. Lube the living crap out of the broken tap and slowly, gently work the alen wrenches back and forth till the tap moves then gently unscrew the tap with them.
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Old Dec 17, 2004 | 05:42 PM
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From: USA
Car: yy wife, crazy.
Engine: 350, Vortecs, 650DP
Transmission: TH-350
Axle/Gears: 8.5", 3.42
Wandle Cax to the rescue?



I meant candle wax. :lala::lala: :lala:
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Old Dec 17, 2004 | 06:40 PM
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From: Evansville, IN USA
Car: '89 GMC Pickup
Engine: 383 SBC Stealth Ram
Transmission: 700R4/VIG 3200
http://www.waltontools.com/products/extractr.htm

This type works very well! Used them many times.
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Old Dec 18, 2004 | 12:41 AM
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Candle wax will help, seriously. I have seen this done many times, and done it myself before also.
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Old Dec 18, 2004 | 09:24 AM
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cool thanks for the ideas guys.

any other suggestions? keep em coming
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Old Dec 18, 2004 | 08:02 PM
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From: Morrison, Colorado
Car: 1986 IROC-Z
Engine: 355 ci TPI, 10:1 cr, Isky cam, ported heads, dual exhaust
Transmission: 700R4, ratchetting shifter, 3.23 rear
I had this happen too. Because the tap has to be harder than the iron you're tapping into, it is also very brittle. Because of this brittleness, it can also be broken. That's how I got mine out. Stick a long skinny punch in the hole and beat it. As pieces of the tap break, pull them out with a skinny needlenose pliers. Eventually, you'll get it all out. If worse comes to worse, bolt the rest of the intake on and drive it to a machine shop and pay them to extract the tap.

Patience and beer is all it takes. You've got to be more stubborn than the tap. And the beer is to calm your nerves and put you in a better mood while you're at it.
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Old Dec 18, 2004 | 08:13 PM
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From: cali
Car: 84z, 65 elcamino
Engine: l69 and a hyped up sbc in the camino
Transmission: t5 m21
Axle/Gears: 373s 411s
take a pick or something real sharp and just hit the side of the tap so that it will thread itself out again u can do this with the candle method too
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Old Dec 18, 2004 | 08:16 PM
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From: Morrison, Colorado
Car: 1986 IROC-Z
Engine: 355 ci TPI, 10:1 cr, Isky cam, ported heads, dual exhaust
Transmission: 700R4, ratchetting shifter, 3.23 rear
Yes, try that first before you get neandrethal with it. Thing is, if the tap got stuck enough to break it going in, backing out will be hard.
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Old Dec 18, 2004 | 09:49 PM
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From: Silverhill,Al
Car: 92 Camaro RS
Engine: 305 TBI
Transmission: T-5
Yep, if it broke going in it's stuck really good unless it broke because of side pressure and not twisting pressure, best way I have found of getting out broken taps is to have someone with a TIG welder add some weld metal to the end of the tap so that you can grip it with vice grips and twist it back out.
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Old Dec 18, 2004 | 11:32 PM
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how exactly does the candle wax method work? ive never even heard of it before. i ordered the walton tap extractor set so ill try that as soon as it comes, but id still like to know about other ways to get it out.
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Old Dec 18, 2004 | 11:52 PM
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The candle wax will seep into the threads, and help it come out. As unlikely as it sounds, it does work.
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