Callahan’s cam-stopper engine
Jan 10, 2020
2 minutes
rom the beginning, engine manufacturers were faced with the issue of wear. By the dawn of the 4-stroke engine, machining capacity had reached almost artistic levels, yet metallurgy was, relatively speaking, still in its infancy. Unless constantly bathed in lubricating oil, cast iron parts, no matter how well machined, were prone to wear. This led to a number of interesting innovations,
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