reply to JoeH, The truck is not on the road yet, Just a motor in a bare chassis so I can't answer most of your questions.I guess before I pull them apart ( the carbs)I will try running it with the the choke partially on to see if I have a lean condition. What could I have done wrong with the power valve? and does anybody know how to plumb for carb heat to the manifold with Fentons and offy