Small headbolt torque

   / Small headbolt torque #11  
   / Small headbolt torque #12  
Lock-n-Stitch is a different technique, using steel (or aluminum in aluminum parts) bolts, and repeated drilling that make a very strong, gas tight repair. There is a fun YouTube video here;

I have never seen a brass screw used to fix (braze?) cast iron. I find it hard to imagine it has much strength, so I am interested to see how it works out. @Patrick 1068 I hope it was worth your while. Thanks for sharing it.

All the best,

Peter
 
   / Small headbolt torque #13  
Hello All,
I had to repair the head on my 186d, and I found the torque specs for the eight large head bolts which is 79 lbft if I'm not mistaken, but I cannot however find the torque specs for the three smaller bolts that surround the push rods. Does anyone happen to know the specs?
This is the old school repair that I had to do because I can't find a used head for it for less than $1,200. Hopefully this works!View attachment 747058View attachment 747058View attachment 747058View attachment 747059
See attached
 

Attachments

  • Torque-Tension Reference Guide.pdf
    135.3 KB · Views: 175
   / Small headbolt torque #14  
At least it's not in japanese. Close though.
 

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