906 or 452 which is best overall

My mind been building these cars for 20 plus years. DONE

20 years that's it! Since 1995!!!

The reality is set up with the same valves, springs, and same VJ. There probably about about the same ET wise if you ran them head to head. And the hardend seat thing goes out the window once the new seat is cut, you would need to actually press in a new seat.