No good ideas here


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Posted by D Sherman on Friday, August 29, 2008 at 23:52:04 :

In Reply to: Thread repair.. Carburator. posted by The Dodge Boys on Friday, August 29, 2008 at 21:52:26 :

but I'll be curious to see what others come up with. The rinky-dink solution is to glue it in with some sort of gas-proof glue, if there is such a thing. Old die castings are precious because nobody will ever make any more. Every other idea I can think of requires some expert machine work. I know of no way to build up a die casting with any kind of weld, braze, or solder, and even then you'd have to machine it down to a smooth seat and cut the special fine thread. Probably drilling it out larger, tapping it for a larger thread, cutting the seat down sooth, and making a special adapter would be the ideal fix, but it would take an expert on a jeweler's lathe to make the adapter. If your time is worth anything, sad to say, that bowl may not be worth saving. If it was mine, and I didn't drive it any further than I'd be willing to walk back, I'd probably try some sort of glue, but with little hope of it lasting long. I wouldn't put a torch on it for anything, because it if didn't flat-out melt, it would warp. There is some kind of soft (tin/lead) solder with a special flux that makes solder stick to aluminum. They use it to tin the tabs on PC-mount heat sinks. I've never used it and don't know where to get it, but it melts at a low enough temperature that you might be able to use it to solder the jet in place.

This is a tough problem, and one everybody runs into eventually with fuel pump or carb castings, light housings, or other old die-cast parts. I hope somebody has an easy solution, because I don't.



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