[Stan Weiss]

Originally Posted by Dauntless1971

I found a rebuilt 400 engine that may not have even had break-in oil changed yet. The price seems fair considering cost of machine work nowadays. But it has the 8 valve relief jobber cast 411np pistons. Would it be worth buying and changing out the pistons to at least l2262f?

Is the engine able to be run? If so can you do a cranking compression test on it? Do you know what cam is in this engine?

Stan