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3. R15 (Radial, 15 inches) The R signifies a radial construction, which has become the standard for modern tires. Radial tires feature layers of fabric and steel cords arranged perpendicular to the direction of travel, enhancing durability, fuel efficiency, and ride comfort. The 15 signifies that the tire fits a wheel with a diameter of 15 inches, which is common for many compact and mid-sized vehicles.


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The intake system is responsible for delivering air (or air-fuel mixture) to the cylinders, while the exhaust system removes the spent gases produced during the combustion process. The efficiency of these systems greatly influences engine performance, as restrictive designs can limit power output and increase emissions. Advanced technologies, such as turbocharging and variable valve timing, have been employed to enhance airflow and, consequently, engine power and efficiency.


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The 6T45 is particularly beneficial for vehicles that require a balance between performance and fuel efficiency. In SUVs and crossovers, where space and comfort are paramount, the transmission offers a smooth driving experience, which is essential for both city commuting and long-distance travel. Additionally, the 6T45 is compatible with GM’s Ecotec engine family, enhancing the overall efficiency of these powertrains.


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