The 2011 RAM 1500 has single overhead cam (SOHC).
The 2013 RAM 1500 has single overhead cam (SOHC).
The 2012 RAM 1500 has single overhead cam (SOHC).
The 2014 RAM 1500 has double overhead cam (DOHC).
The 2011 RAM 3500 has overhead valves (OHV).
The 2011 RAM 2500 has overhead valves (OHV).
The 2011 Chevrolet Silverado-1500 has overhead valves (OHV).
The 2011 GMC Sierra-1500 has overhead valves (OHV).
The 2011 GMC Sierra-1500-Hybrid has overhead valves (OHV).
The 2011 Chevrolet Silverado-1500-Hybrid has overhead valves (OHV).
It is inside the distributor
The 2013 RAM CV-Tradesman has double overhead cam (DOHC).
No, the 4.7L is an overhead cam engine while the 5.7L is a cam in block engine.