Re: How in heck does this thing work? (Nu rex)
A trick learned from finding TDC on steam locomotives is to mark the driving wheel when the piston is part of the way up, say 3 inches from TDC, then rotate the driving wheel until the piston is descending at the same position and again mark the driving wheel. Half way between the two marks is TDC. TDC on a steam locomotive is needed to set the valve timing.
The same trick can be used on a Model A but will probably require the head to be off. The dimple in the cam gear is, as others have said, good enough.
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A is for apple, green as the sky.
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The clutch always sticks, and starts with a jerk.
My car grows red hair, and flies through the air.
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