If you take a small steel ball bearing that is approximately the same size as the pump inlet check ball you can restore the pump seat (after glass beading the corrosion away).
You drop the steel ball into the Pump inlet check location, you then use a thing long drift punch to smack the steel ball on the seat, and then you remove the steel ball and replace it with the proper aluminum pump inlet check ball.
No messing around with chebby type pumps, possibly putting the wrong pump in the carb after blocking the pump inlet passage and having no pump shot at all, and finally having to precision set the pump location in relation to the feed slot.
All that bs, you might as well put a chebby center section on the carb and run the engineer designed chebby parts.
Tom Vaught
ps If the pump check ball was driven into the passage effectively sealing it, you can drill the casting from the bottom and remove the ball and then pean over the drilled hole. No one will ever know that it was drilled.
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"Engineers do stuff for reasons" Tom Vaught
Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward.
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