If you've ever glanced at your car's gear shift and noticed an "M", you might have wondered what it means. Automatic vehicles often come with various selector modes to improve the driving experience.

Few vehicle modifications have as major an impact as changing gear ratios, and it's because your car's gear ratio directly translates to how it delivers power. Think about it: The gear ratio, or how ...

Converting a manual car to automatic is not just about changing a switch or removing gear. The process typically requires replacing or modifying several key components, including the clutch system, ...