If you manage to weld some tubes in the headstock area it will be stifferJust make sure you have quality welds and good fitment. Best option is A. Angles and bracing tubes meet at the same spot.
Step 1. Remove head nuts
Step 2. Instal cam cover
Step 3. Start the engine
Step 4. Rev it to the limiter
Step 5. Wait until the head pops
Sorry I had to. Have done this to a Gurls blouse engine. It was fun