Another major factor is stroke of the motor. Longer stroke delivers more torque. Examples are the old Farmalls had very long stroke while the old Fords were much shorter, so the Fords worked at higher RPMs. Another example is two old Ford motors. The 300-6 which was long stroke and the 302 V8 which superseded it. I had a heavy built 1981 Ford E-250 with 300-6 that would pull a heavy load up steep hills pretty nicely. I traded that for 1986 E350 with a 302 V-8. That 350 with the same load would die on the hills that the older truck did well on.
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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