If the head is installed on the engine and you want to rotate the camshaft to a different position during belt installation, you should move the pistons partway down in their bores (about ____ degrees) in order for the valves to clear the pistons.

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When installing a belt and needing to rotate the camshaft to a different position with the head installed on the engine, it's recommended to move the pistons partway down in their bores to ensure the valves clear the pistons. Moving the pistons about 45 degrees from top dead center (TDC) provides sufficient clearance for most engines to prevent valve-to-piston contact.

If the Head Is Installed on the Engine and You