After reading the original post a couple times, I think modcub72 is referring to the cutting edge being swept back on the Cub blades leaving less material to grind before getting into the wing. I never understood why they did that other than to reduce cost by saving metal.
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Adam
1964 Model 100 w/ K301 12hp and custom hydraulics
1972 Model 149 turned 129 w/ K301 12hp, triple hydraulics, 66 series clone
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