24 June 2017


VTVT and CRDI are the fancy names given to engines from different manufacturers. 

Let us have a deep insight into the difference between VTVT and CRDI. 

VTVT is standing for variable valve timing valve train has ability to independent control of the intake and exhaust valves in an automobile engine on different engine load criteria.

CRDi stands for common rail direct injection is a fuel injection mechanism to supply the requisite amount of fuel at constant pressure and also to maintain a certain amount of pressurized reserve fuel during starting of the engine.

Mostly VTVT technology used for petrol engine while CRDi technology working for a diesel engine.