Over the years, many years, I've heard so many stories about the "HP" stamp on 383's but more so on 440's that nowadays I just roll my eyes around. I know for a fact that the blocks on the 68-70 440's were for all intents and purposes the same and the only time I've come across a 440 that should and did have the HP stamp is one that had the heavier 6 pack rods in it. Hell I'm not even sure if that even makes sense.:read2:
I guess what I'm trying to say is don't get caught in the HP legend.:angry7:, it may not mean a whole hill of beans nowadays.
I wonder if I took my metal stamps and stamped those 2 440's sitting in my garage with "HP" on the pad I could ask an extra $500 for them, see what I mean.