Big pipes, small pipes, long pipes , short pipes. I think we are getting into exhaust tuning for scavenging the cylinders, valve overlap, lift and timing etc. Throw in ram induction on the intake for max torque at a specific rpm, and you are talking high rpm, high out put engines. Not a concern with the M. I have seen guys use a plain old down spout off their house just to get the noise out of their ears but still not have that "back pressure" associated with a baffled muffler. Harm the valves, no.
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Today's Featured Article - Harvestin Corn in Southern Wisconsin: The Early Years - by Pat Browning. In this area of Wisconsin, most crops are raised to support livestock production or dairy herds in various forms. Corn products were harvested for grain, and for ensilage (we always just called it 'silage'). Silo Filling Time On dairy farms back in the 30's and into the first half of the 40's, making of corn silage was done with horses pulling a corn binder producing tied bundles of fresh, sweet-smelling corn plants, nice green leaves with ear; the
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