Be careful putting these engines together

Several years ago, a younger guy I know built a nice Edelbrock headed 408. He had the heads ported, a good solid flat tappet cam, good crank and rods. He installed every piston upside down. The engine fired right up and immediately bent a bunch of pushrods and valves. I had offered to help or even build it for him, and he declined any help. Some lessons are hard learned and not soon forgotten.