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Typical Easy Project takes me 2 hours.

hcallaway

Jedi Warrior
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I was going to install the 3 exhaust manifold studs (to down-tubes) after coating it. I decided to chase the threads with a grade five bolt
and I used anti-seize to lube them. This would ensure that I would not ruin them or break the ear off.
I was able to do all three with not much resistance. One was harder than the others. I was going to run the studs down and leave a few exposed threads.
I started off with the one that was tight. All goes well until I am doing the easiest one and guess what? It sheared off below the surface.
I was using a quarter drive and was just snugging it up.
I am not sure you could weld anything and back the remainder of the stud out. So I am left with trying to use my bolt extractor. I have had the kit for 20 plus years and have never had any success. It worked this time after a lot of work. Maybe I did it right for the first time.

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Glad you solved it! FWIW any typical easy job takes me at least 2 hours - usually longer. I typically brag that I have restored the car three times - because I typically have to do everything three times to get it right.
 
I have an extra used but decent condition LCB headers that would have bolted right on. But then you would had to make the connection under the car.
 
I don't think I have EVER successfully replace one of those studs.
 
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