Chapter 30, Problem 5CQ

A warped aluminum cylinder head can be restored to useful service by _____________.

1. a. grinding the gasket surface and then align honing the camshaft bore
2. b. heating it in an oven at 500°F with shims under each end, allowing it to cool, and then machining it
3. c. heating it to 500°F for five hours and cooling it rapidly before final machining
4. d. 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