i am swaping a 305 3 on the tree for my straight 6 3 on the tree anyone got any suggs on this sounds straight forward has anyone done this before and if so were there any unseen probs or some helpfull pointers for this swap?anything at all thoughts suggs precautions ? all help appreciated! ohh by the way its a 66 chevy c 10 long bed fleetside and the 305 is 85 or 86 motor and the 6 is the original motor and trans and the 305 has a older 3 speed just like the 6 has>