head bolt seized in block
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what you would most likely want is the timesert, or steel insert. ive been told by a machinist than these thread repairs are actually stronger than the original threads!, not sure if its true mabye somone will step in for some help
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You need to remove it. Read the entire thread that I posted a link to. I had asked where the Timesert is installed within the block and it is installed low in the block where the original threads were located. This is necessary to obtain the proper stretch of the head bolt/stud. As a result, you will need to get the old one out of the block.
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I tried to get some photos but they didn't really turn out since my problem was down in the block ![Sad](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_sad.gif)
I will say that if you do get one stuck down there and a screw extractor doesn't work, best bet is a 6" carbid drill bit from grainger. They are like 30 bucks but it allowed me to drill out the arp bolt successfully.
Doing it by hand is really risky but if you do it slow and use a thandle it should be fine.
![Sad](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_sad.gif)
I will say that if you do get one stuck down there and a screw extractor doesn't work, best bet is a 6" carbid drill bit from grainger. They are like 30 bucks but it allowed me to drill out the arp bolt successfully.
Doing it by hand is really risky but if you do it slow and use a thandle it should be fine.