1. A straight line is measured in distance...except when it represents 180 degrees, or a multiple thereof.
2. NORMALLY the piston travels in a straight line...EXCEPT when allowing for thrust forces acting perpendicular to the direction of piston travel.
3. NORMALLY crankshaft rotation is measured in degrees. Distance measurements of crankshaft rotation would vary wildly, depending on distance from the rotational axis from which the measurement is taken.
4. Since all terminals in a distributor cap are [theoretically] equidistant from one another, if cylinder #1 fires at 10 degrees BTDC, each other cylinder should also be firing at 10 degrees BTDC.
5. TDC of the piston is at the same crankshaft position it always was, regardless of cam timing.
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Today's Featured Article - Good As New - by Bill Goodwin. In the summer of 1995, my father, Russ Goodwin, and I acquired the 1945 Farmall B that my grandfather used as an overseer on a farm in Waynesboro, Georgia. After my grandfather�s death in 1955, J.P. Rollins, son of the landowner, used the tractor. In the winter 1985, while in his possession the engine block cracked and was unrepairable. He had told my father
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