[Shop-talk] stripped screw hole in carb

[Randall]

> 2. us JB weld with soap on the bolt.  Once the epoxy has cured, 
> unscrew the screw.

Although I've not tried that on a carb, I have in other places where the
loading was light.  The JB Weld is still too weak to take threads, IMO.
Loctite makes a similar product specifically for repairing threads:
http://media.midwayusa.com/pdf/instructions/Loctite_stripped_threads.pdf
which comes with a chart of allowable torque values for the 'repaired'
thread.  23 INCH pounds for a 1/4" bolt isn't much!

So if you can find a Helicoil in the appropriate size, that would be my
suggestion.  They aren't cheap, but the repaired threads are actually
stronger than the originals, especially in soft metals like carb bodies.

-- Randall