History of LD340? Which one first??

How did we go from talking about the LD340 manifold to the LD4B manifold? Did I miss something?
How did we go from talking about the LD340 manifold to the LD4B manifold? Did I miss something?
Post 5... used as a reference reminder,of an example ,of an Edelbrock tech line phone call... To the o.p.:witch manifold ,would suit your desires,best?.... I understand,the "day two" resto concept,if that's what you're after....