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| Three duces side draft carbs ought to work well and have a vacuum tap for a vacuum advance for the ignition for part load that would show a significant increase in fuel economy. Like off a vintage 6 cylinder Corvette. That lack of ignition advance for part load is one thing most farm tractors show, and then the yard long intake manifold on the 4020 leads to condensation on the way to the end cylinders and three side draft carburetors would work better. Condensation means, the mix for the center cylinders is different from the end cylinders so its hard to lean it for efficiency.
Gerald J. | |
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JD 4010 gas ?
