A warped aluminum cylinder head can be restored to useful service by ________.
A) Machining the gasket surface to one-half of the warped amount and then heating the head in an oven and allowing it to cool slowly
B) Heating it to 500°F for 5 hours and cooling it rapidly before final machining
C) Grinding the gasket surface and then align honing the camshaft bore
D) Heating in an oven at 500°F with shims under each end, allowing it to cool, and then machining it
Correct Answer:
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