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19. Unlike most other rebuild shops, Coast Motor Supply has a run-in fixture for each engine. This machine pumps the assembly with oil, and then spins the crank to lube and break in the components. The engine is left running away on the fixture as oil is pumped through the block, and proper oil flow is noted. This is the critical time when pushrods can be bent or other problems arise. Using this fixture ensures proper lubrication before initial firing of the engine.