I used to do what Brent does - buy old ones off eBay, clean and rebuild them, then sell them again on eBay. It costs nothing to soak them for a day in carb dip, blow the passages out, install new jets, and replace stuff that are missing or worn (i.e. top studs, choke flaps, etc.). Then I throw a rebuild kit in em and list them for what I have in them. Usually I will get about $20 - $50 extra depending on demand. Old nasty used ones are just getting to expensive now to be worth it IMO - plus my workload has recently increased and time is harder to find. While you will not get rich doing this, I actually enjoyed the labor (it is a relaxing hobby), and it gave me money to buy the tractor parts I needed without momma getting upset :-) Overall - I would say you can indeed trust carbs you buy off eBay - out of the 40 or so originals I have obtained, only one was shot (previous owner tried to drill out the jets and wiped the threads out of the base) - and even that one the seller refunded my money as it is scrap metal at that point. Expect to buy and install a rebuild kit in ANY used carb you buy unless the seller offeres a guarantee. And BTW - I prefer originals on my antique tractors. Sure, you may need to fiddle with it more to get it to run right, but I have heard bad stuff about the new ones also. HTH, Dan
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