You absolutely must follow the specific torque sequence outlined in a reputable repair manual for the LT1 engine. This sequence usually involves multiple passes with increasing torque values, often including a final "torque to yield" step. Skipping this sequence or using an incorrect method risks damaging the cylinder head gasket or cracking the cylinder head itself.
Do not attempt this repair without a factory service manual or a highly reliable aftermarket equivalent. The precise steps and torque values are critical for proper head installation. Using incorrect torque will lead to engine failure.