Articles

How to Remove a Stuck Crank Pulley Bolt Without an Impact

You can remove a stuck crank pulley bolt with a DIY strap wrench–no impact gun or special tools required.

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From the GRM Vault: How Lighter Drivetrain Parts Equal More Speed

A crash course in making more power with lighter parts.

From the GRM Vault: The Secrets of Cylinder Head Modifications

Modifying your cylinder head may be vital to obtaining good airflow through the engine.

Subaru
Is Water Injection a Cheap Substitute for Race Gas?

We visited Mach V Motorsports to find out.

Six Steps to Maximize Your Manual Transmission

Manual transmissions are crude, simple devices.

Toyota
Blueprinting Aging Fuel Injectors Can Extend Life and Increase Results

The first thing we do whenever we pick up an older car is go through the fuel system.

Mazda
From the GRM Vault: Heavy Duty

Miata need more power? Take things to 11.

BMW
Veggie Tales

Al Taylor intends to clean up with his soy-fueled racer.

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