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I have a new to me 656 Gas, I believe it has the Marvel carb. It has set with bad gas for I don’t know how long and I managed to get it cleaned and running just not very good. Has anyone purchased the Zenith replacement carb from Steiner? If so how well does it run? Not planning on working her too hard just disc the garden and blade the drive. See below, once she’s running good I will be asking about paint tips.
Has anyone installed an overflow tube in the carb float bowl? Specifically for the Marvel Schebler TSX series, I'd be very interested in any info or tips on this from someone who has done it. The background - I've had an ongoing problem with flooding on my IH 444. I know I need to go over the whole fuel system, tank to inlet screen, to make it clean, but I figured this would be a useful backup. With an overflow tube, if the needle or float does get stuck, the gas would run out on the ground instead of into the intake manifold, stalling out the engine. (And trying to restart a flooded engine has resulted in ignition problems as well). I've done this on a motorcycle before, a Kawasaki Concours. Known for an occasional bent connecting rod from a combustion chamber full of liquid gasoline after the gas petcock went bad and the float valve also stuck. So it was a fairly common mod in the group of Concours owners, as insurance against engine damage. The basic idea is drilling out a hole in the bottom of the float bowl, and pressing in a brass tube. The top of the tube has to be higher than the normal fuel level. But on the Concours, I had instructions from someone who had done it and documented it. Very handy. So if someone has experience with this on a carb similar to what I have on my 444, I'd sure appreciate hearing from you! Keith