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larrys40 · 12-26-2018, 11:04 PM

Typically it’s not a problem unless the carb is severely rusted and then that wouldn’t be a favorable core anyway. I’ve not had one that I’ve ever had to resurface the seat because it was that poor. Just my experience. If I have a carb bottom that bad I’d use another one.
I haven’t done it but it may be possible to drill and tap for a replaceable seat . You would have to do some carefull drill work and use a special seat cutting tool to get a good flat tight seat.
Easier to use another carb bottom.

12-26-2018, 11:04 PM	#14
larrys40 Senior Member Join Date: May 2010 Location: St Charles , Missouri Posts: 1,998	Re: Carb expert needed Typically it’s not a problem unless the carb is severely rusted and then that wouldn’t be a favorable core anyway. I’ve not had one that I’ve ever had to resurface the seat because it was that poor. Just my experience. If I have a carb bottom that bad I’d use another one. I haven’t done it but it may be possible to drill and tap for a replaceable seat . You would have to do some carefull drill work and use a special seat cutting tool to get a good flat tight seat. Easier to use another carb bottom.