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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

Repairing stripped head threads

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Old Dec 22, 2013 | 11:57 AM
  #1  
62 squire's Avatar
62 squire
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Cross-Country
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Repairing stripped head threads

I goofed this morning and stripped a head thread on our 223….Dang, I've had quite a bit of bad luck on the engine part of this project.

I'm reaching out to get advice on repairing this. For background on this engine, read my last post https://www.ford-trucks.com/forums/1...-question.html .

I think I may have crossed threaded the bolt with the hole threads, and when torquing the bolt, the threads in the block failed.

I am wondering if it might be best to drill and tap this one hole for the 1/2" thread size, though the others will be 7/16".

Thanks
 
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Old Dec 22, 2013 | 12:23 PM
  #2  
rrrrick's Avatar
rrrrick
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I would put a 1/2" Helicoil in. Still going to require drilling and tapping.
 

Last edited by rrrrick; Dec 23, 2013 at 02:27 PM. Reason: spelling
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Old Dec 22, 2013 | 01:01 PM
  #3  
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63' f100
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You can also drill and tap it for the next size bigger bolt.
 
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Old Dec 22, 2013 | 01:04 PM
  #4  
Mattrod68's Avatar
Mattrod68
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From: Salinas
heli coil is the correct way to repair it and it is neither difficult or expensive.
 
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