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Steve: I might offer in addition to my experience with modern day carb kits, I have been reluctant to buy a new carb. Maybe that is the answer, just maybe some of these old carb housings are no longer worthy of a new kit. Right now I have two tractors that ocasionally leak through carb overnight. 80% of the time they don't, so the float must be working right some of the time. Jim may have given us the answer to this problem. Abandon the factory gas tank, put a tank under the SA platform with an electric fuel pump. Just to enlighten the other respondents Steve sent me a personal e mail on this matter. I wrote back and told him I didn't have an answer for him. As far as I'm concerned we have two problems, the first being modern day gasolines and the second being the quality of carb kits one can buy. I've tried professional carb rebuilders, tried CaseIH technicians and tried buying the kit and installing it myself. About the only difference I see is the money I don't spend in doing it myself. In all three repair senarios, 80% of the time the float works as it should. I suspect that figure climbs to 100% while tractor is in operation as the motion of the tractor keeps the float from hanging up. If I don't turn the gas off at tank, 20% of the time my SA and 130 will be leaking if left that way. When these tractors were new, it wasn't unusual to get 10 to 15 years out of a carb kit. The only way I would even consider a new carb or a professional rebuild is if they offer me a 10 year absolute guarentee, yes they even have to offer to pay for the gas that leaks out on my shop floor as well as any repairs to the floor. I worked these gas tractors back when they were new, we never had to give a thought to turning the gas off overnight. My answer is, "When at parts counter demand a better carb kit."
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