6.4 hemi coolant temp sensor location11/25/2023 ![]() Want to know what those problems are? Check them out below: 01. The 4 Common R am 6.4 Hemi Problems img source: ĭespite being a robust, reliable, and efficient engine, the 6.4 Hemi has some common issues that car owners may eventually face. However, some differences are noticeable, such as the bore diameter and stroke length. If you’ve experienced handling the 5.7L Hemi V-8, you’ll find that the architecture of the 6.4 Hemi is similar to it. Though the recommended option would be to use 89 octane gasoline, this equipment is more than capable of doing fine while using 87 octane gasoline for its operations. #Fuel FlexibilityĪs mentioned before, the engine is capable of running using different fuel types. In this case, the aluminum cylinder heads offer an incredible combination with the hemispherical combustion chamber, thus delivering an efficient performance at all times. Much of an engine’s success depends on having high-quality parts. The 6.4 Hemi has piston cooling jets that effectively spray oil on the pistons’ bottom, efficiently removing combustion heat for better performance. #Efficient Combustion Heat Removalīy featuring a highly efficient system, the engine guarantees no issues will get in the way, including combustion heat. Not only does this process make the engine safer, but it also prolongs its lifespan to continue working well for many years to come. #Oil-to-Water Oil CoolerĪnother convenient feature found in the engine is the oil-to-water oil cooler, which provides additional cooling under harsh conditions. Plus, the plugs lead to reduced emissions. ![]() These accessories allow the 6.4L HEMI to have improved combustion for more efficiency in performance and fuel economy. The engine has a total of 16 spark plugs, which would be two per each cylinder. Here are some of these features: #Two Spark Plugs Per Cylinder ![]() Highly regarded as an efficient and reliable engine, the 6.4 HEMI has plenty of similarities with its predecessors while including new features that make it unique. Now that we have a broader concept of what the 6.4L Hemi is let’s talk a bit more about the main features the engine has to offer. Despite running on 87 octane gasoline, the recommended fuel is 89 octane gas. It’s simple yet effective, as it turns off the fuel in the cylinders when the power is no longer needed. ![]() Though it depends on the vehicle model and configuration, the engine can receive support from three transmission systems: 66RFE six-speed automatic, G56 six-speed manual, and the Aisin six-speed automatic.įor an improved and efficient performance, the engine features MDS, which stands for Multi-Displacement System. What is 6.4 HEMI? img source: įirst included in the RAM 2500/3500 models back in 2014, the 6.4L HEMI V-8 engine came as a surprise due to its capacity to deliver more power than the 5.7L Hemi V-8.Īnd it was mainly because of the 6.4L’s astonishing peak rate of 410 HP when compared to 395 HP from the 5.7LĪmong other reasons, the high power of the 6.4L Hemi had a lot to do with the lower governed engine speed. ![]()
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