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As we all know, a carburetor is a devise that regulates the air flow and fuel flow into an engine. But what is it, really? Well, a carburetor is essentially a mechanical computer. To do its job on an engine, and do it well, a carb needs extensive "preprogramming". By preprogramming, I mean the design and fuel calibration of the carb. There are many aspects of a carb's design that can make or
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Norm Schenck
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The radiant heat of an engine and its exhaust system, and the heat in the air heated by going through a radiator, can be absorbed by fuel system and intake system components, if they are not protected(insulated). These components can include the carburetor, fuel lines, fuel pump, fuel pressure regulators, and air ducts from the air filter to the inlet of the carb. As these components get hotter,
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Norm Schenck
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That’s a detail that makes it all work. Like so many endeavors now, its the details that make or break them. You’re welcome.
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Norm Schenck
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Goofy homemade carb?
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Norm Schenck
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You and Why The Hacker, might consider joining the 21st century. Toilet Flanges no longer cut it. And don’t you wonder why WHY feels the need to hack in and stir the pot?
Did you notice that WHY has no profile, and is not listed on the Users List? Why does he feel he needs to hide his identity completely?
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Norm Schenck
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Also, hey folks. Have you noticed that WHY has no profile, and is not in the Users List?
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Norm Schenck
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It appears that there is an old saying that applies to you. It goes....
“ If you can’t run with the big dogs, stay on the porch”. In other words, “those that don’t want to make the effort to be competitive, should go do something else”. And not try to drag others back to his level.
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Norm Schenck
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So, you’re saying that the technologies used to make pulling tractors more competitive. are BAD? And that other technological improvements are good? Is this because you are having trouble being competitive ? And you want other pullers to be denied access to technologies that can be used to make their tractors more competitive? It appears that way. Then what are those GOOD technologies?
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Norm Schenck
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Yeah, EFI should be legal. The only kind of EFI that would outperform a good carb, is the type that would have independent tuning of the air/fuel ratio for each cylinder, though the entire rpm range of the engine. That type of EFI system would be able to compensate for the typically unequal distribution that most intake manifolds have. The tuning process for a system that complex, is not particul
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Norm Schenck
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And I disagree with you. There are many tractors that are being held back by poorly working and undersize carbs, that were never intended to make the kind of horsepower that these modified tractor engines are capable of now. The boring/stroking/porting/ camming thing has been allowed to happen, and I'm trying to fill a need for carbs that can handle the HP potential safely. For the purist, y
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Norm Schenck
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Because the original carburetors that the tractor factories used back in the day, were, for the most part, very poorly designed, and were in many cases barely adequate then, on the farm. With the typical vintage era tractor engines that are being used now in pulling competition, with stroker cranks, bored cylinders, ported heads, special cams, and fabricated headers and intakes, those old carbs a
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Norm Schenck
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You're welcome. Until I discovered the AFR500 system with the upgraded NTK sensor, using wideband O2 systems with racing gas was a frustrating deal. The key to making this work, is to make sure that the NTK sensors are fully heated up(Sensor system powered up) before firing up the engine, and leaving the power to the sensor system on, after the engine is shut off. This minimizes deposits tha
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Norm Schenck
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The steps of tuning basically any carbureted internal combustion engine, particularly those used in competition, should be done in a specific order. This applies to the firing of a new engine, installation of a new component having to do with the ignition or fuel systems on an engine that has been running, periodic checking of normal tuning adjustments, or searching for the cause(s) of an engine
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Norm Schenck
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One of the most significant factors determining the air flow capability of a carburetor, is its throttle bore size, its diameter. Once the desired carb flow , for a particular engine, is determined, that pretty much dictates the size of the throttle bore of a suitable carb. On an engine used in competition, to get the full potential of what the carb can feed the engine at full throttle, it is imp
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Norm Schenck
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