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How crack checking and REM polishing can make a gearbox track-ready

Transmission internals are subject to intense stresses. Crack checking and polishing can help ensure that those stresses don’t lead to failures down the road.

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Should you upgrade your clutch?

How well your car performs–and how nicely it drives–can often depend upon your clutch. Here's how to tell if it's time for an upgrade.

6 steps to make the most of your manual transmission

Manual transmissions might be crude, simple devices, but that doesn't mean improvements can't be made.

What you need to know about torque converters | A quick explanation

What's a torque converter, and what does it actually do? We're glad you asked.

How to pick the right gear ratio for your needs

There are lots of ways to adjust gearing.

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