<VV> Repairing a failed crankcase stud thread repair

[BobHelt at aol.com]

In a message dated 5/8/2008 8:49:42 PM US Mountain Standard Time,  
dougmackintosh at yahoo.com writes:

Some  miscreant apparently repaired this one with a short (7/16 long) 
helicoil,  which has pulled completely out of the block. From what I have read it 
looks  like a 0.75 long Big-Sert is the best fix for this. 

Is that right? And where can I obtain the part and tool (preferably  rental).




Hi Doug,
Many opinions here. But IMHO, if the Helicoil really pulled out you will  not 
be able to use a timesert or even another Helicoil. I am not familiar with  
Bigsert so that may work but be sure it is large enough in diam. Otherwise You  
must go to a special insert which you can buy from Larry Claypool or make  
yourself from a 1/2 -13  bolt by cutting the head off and tapping the  inside of 
the bolt to 3/8-16. There are other inserts you can buy but they are  HARD to 
find, say, EZ-loc or Keensert or K-sert. Get one from Larry  instead.
Regards,
Bob Helt



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