Port fuel injection and direct injection are similar but distinct systems, so why do some engine designs include both?
Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...
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Why your car’s intake valves build carbon
Modern engines are cleaner and more efficient than the ones you grew up with, yet many drivers are discovering a new headache ...
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