Broken water pump bolt - Vintage Mustang Forums
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post #1 of 30 (permalink) Old 07-06-2019, 02:47 PM Thread Starter
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Broken water pump bolt

Ok, as some of you know, I broke a water pump bolt off in the block. Thanks to your help I stopped with the extractor process before (most likely) breaking the extractor off and creating a bigger mess. Some advice included welder extraction which I’m not experienced at but I bought a welder and I am going to practice on some nuts and bolts before moving onto the real deal. Wish me luck. 😳
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post #2 of 30 (permalink) Old 07-06-2019, 02:53 PM
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Good Luck! Good idea using the welder. It will pay for itself in the coming years.
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post #3 of 30 (permalink) Old 07-06-2019, 03:27 PM Thread Starter
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Especially after seeing my exhaust manifold and related bolts 😳
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post #4 of 30 (permalink) Old 07-06-2019, 07:17 PM Thread Starter
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So my practicing is not going well. I’m using a flux core welder. Can’t seem to get a strong enough weld to hold the nut to the bolt. Any of you seasoned welding veterans have any good tips?
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post #5 of 30 (permalink) Old 07-06-2019, 07:22 PM
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you would be better served using a gaswelder . but other wise turn the wire speed down and the power up
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post #6 of 30 (permalink) Old 07-06-2019, 07:26 PM Thread Starter
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“you would be better served using a gaswelder . but other wise turn the wire speed down and the power up”


So Oxy acetylene?
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post #7 of 30 (permalink) Old 07-06-2019, 08:14 PM
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First off more info on the welder you bought

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post #8 of 30 (permalink) Old 07-06-2019, 08:53 PM
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Quote:
Originally Posted by TAG1966 View Post
“you would be better served using a gaswelder . but other wise turn the wire speed down and the power up”


So Oxy acetylene?
Oxy/Acetylene is a torch for braising, different than welding.

A gas welder is either MIG (Metal/Inert Gas) or TIG (Tungsten/Inert Gas). MIG is the easier of the two. A 120v MIG with a bottle of C25 gas will handle just about all the welding you'll need to do on your car.
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post #9 of 30 (permalink) Old 07-06-2019, 09:06 PM
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Ditto for what "Frankie......." stated, as the gas MIG is a much better combo. The gas shields the arc and keeps it clean. It just takes practice to get the heat, the speed, and the feed correct, but, you will get it. I've always used a gas MIG, so not sure if you can add a bottle to your rig? Maybe someone here can chime in ......?

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post #10 of 30 (permalink) Old 07-06-2019, 09:08 PM
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Get yourself a metal plate, and practice making puddles. As 2nd 66 mentioned, start playing with the adjustments for power and wire speed so you see what it does. This way, when you run into a situation you know what it calls for. Too much power/not enough wire produces very different results than shoving too much wire at a unheated workpiece.

Practice practice practice. Good welding is an art form.
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post #11 of 30 (permalink) Old 07-06-2019, 11:41 PM
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Quote:
Originally Posted by TAG1966 View Post
“you would be better served using a gaswelder . but other wise turn the wire speed down and the power up”


So Oxy acetylene?
MIG, Mixed Inert Gas, Gas Wire welder


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post #12 of 30 (permalink) Old 07-07-2019, 07:16 AM
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MIG, Mixed Inert Gas, Gas Wire welder
MIG = Metal Inert Gas aka GMAW - Gas Metal Arc Welding

Either way, a flux core will do the job, but makes a mess. I welded one time with a flux unit, did a pass and went to get my MIG.

Regarding the bolt, you want a slow wire feed speed with the heat set as high as you can get it without causing the wire to melt back into the electrode tip. You need to put heat into the parts to get a good weld and break the rust bond. If you have trouble with it snapping off the bolt, try welding a washer to the bolt, then a nut to the washer.
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Last edited by Hemikiller; 07-07-2019 at 07:18 AM.
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post #13 of 30 (permalink) Old 07-07-2019, 08:11 AM
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You tube has some very good videos on welding with a mig. WOrth the time!

Heavy Metal Thunder Video http://www.youtube.com/watch?v=cW3L_O7N_xs
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post #14 of 30 (permalink) Old 07-07-2019, 03:28 PM
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Using that "gas welder" term confused me too. BTW you certainly can weld with an O/A torch. In fact it's how Chromoly tube aircraft were fabricated before TIG welding replaced it. My first Mustang repairs and fabricated exhaust were done with an O/A rig. The process is the same as TIG, but the flame replaces the electric arc as the heat source.

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post #15 of 30 (permalink) Old 07-07-2019, 04:04 PM Thread Starter
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Thank you all for your help!!
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