i found a motor for my 51, it's in a 49 one ton truck, what i would like to know is what size it is and will it drop in he said it had a down draft carb on it, i've never seen one so i don't realy know what he is talking about he said my 216 manifold and carb would fit it, he also thought that the motor had beerings not babbit but wasent sure it is free if i want it, he said it run's great with no noise or smoke, i need all the info on that motor i can get,, thanks,, ron