> Surging usually indicates a blocked idle circuit.
Thanks! I was thinking that should be my next thing if cleaning up the fuel supply doesn't solve the problem. Given the missing fuel screen at the sediment bowl and a little crud I found in the carb filter I guess it's possible that even a new carb got something in that main circuit.
As I mentioned before, the carb filter is noticeably shorter that my others, almost like it was cut down. I wonder if that could restrict fuel flow as well (I have a new one coming).
I'm still curious about the issue of the economizer jet possibly being oversized. If I do end up removing and disassembling the carb I wonder if I should check the jet sizing, but I'm not sure how to do that (or where to find a correct jet, short of buying a whole deluxe rebuild kit).
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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