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This specimen has two cylindrical patches: one is a section of the top surface of an engine camshaft from an engine which had run for several hundred hours under test filled with one type of oil, and the other a section of another camshaft from the same engine in a similar test but filled with a competitor’s oil.
It was made by us for the Castrol Magnatec Oil company as a marketing aid for them to illustrate to customers how their new type of lubricant offers better protection against surface damage to camshafts, than a competitor’s lubricant does. |
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Castrol marketing replica camshaft |
| The top view shows the electroformed specimen in its marketing presentation. This view shows the complete camshaft. The two surface finishes can be seen, one simulates a camshaft surface with normal lubrication, the other – smoother – surface simulates the surface with the Castrol Magnatec Oil product. | 
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close up of camshaft |
