Due to the increased strength, engineers can reduce the size of the block, thus reducing the weight. CGI blocks are becoming the norm with modern engines because it is stronger than a traditional iron block. When designing the block, the engineers opted to use Compacted Graphite Iron (CGI). Just about every single component connects to the block and it really is a key component to the success of the engine. The foundation of the engine is the block. So, it really isn’t a big risk,” said Mike Cairns, Chief Engineer, Ram Truck Brands. That cut the engineering cost down, and made us able to bring this to market. We combined resources and developed them together. As well as working with our Jeep brethren on the diesel for the Grand Cherokee. We were fortunate at this point in time that our partners at Fiat owned half of VM Motori, who makes this diesel engine. It has always been a difficult business case because diesels are expensive, and there is a lot to developing a diesel engine. ![]() People know they will get great fuel economy, great durability, and reliability with a diesel. ![]() For years we have had customers asking, why not a light duty diesel? There is a lot of interest. Ram 1500 EcoDiesel coming off the line at Warren Truck Assembly Plant.
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