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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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Mazda , MG
Engine Swap How-To: 14 Steps Before You Swap That Engine

According to the Internet, just about any engine can be swapped into just about any car on just about any weekend.

How to Pick the Right Gear Ratio for Your Needs

There are lots of ways to adjust gearing.

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

A crash course in making more power with lighter parts.

Aston Martin , Cadillac , Chevrolet , Ford , Pontiac
T-56 Transmission Guide

Which Flavor of the Legendary T-56 Transmission Fits Your LS Swap-and Your Budget?

From the GRM Vault: The Secrets of Cylinder Head Modifications

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

How to Accurately Measure Your Compression Ratio

What is your engine’s compression ratio?

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.

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