Articles

Is a Water/Methanol Injection Kit the Tuning Aid You Need?

The premise behind water injection is simple: Squirt a mixture of water and methanol–windshield washer fluid, basically–into the engine’s combustion chamber to cool the intake charge and prevent detonation.

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How to Easily and Accurately Drill Holes Using a Divider Tool

A custom bracket with mis-drilled holes is pretty much worthless. Here’s how we used a divider to quickly locate three holes in a custom bracket.

Is an electric Mini your next autocrosser? | Mini Cooper SE Hardtop review

Although we haven’t yet run the electric Mini at The FIRM, our initial drive shows some real autocross potential.

Repair that cracked front spoiler in seven easy steps

A bruised chin spoiler can spoil a car’s entire look. Ditch the duct tape and perform a proper repair with just a few hours’ work.

So You've Drilled Through Your Own Hand

Congratulations! You’ve joined the elite club of people who have drilled through their own hand while working on their car.

GRM+
Placing our virtual Nissan 350Z Inside a virtual wind tunnel | Against the wind: Part 2

Welcome to the future, where virtual aero testing happens in a virtual wind tunnel.

How to choose the right oil for your engine

Sure, the manual tells you what oil you need–but what if you've moved beyond stock?

Understanding Shock Absorbers, Dampers and Struts | Handling Basics

Whether they're called shocks, dampers or struts, these pieces are critical for performance.

When the Cannonball Rally went legit | The history of the One Lap of America

Supercars dominate today’s One Lap of America. Back in the early days–as this shot from 1985 shows–comfort might have mattered more.

GRM+ | Dodge , Honda , Mazda , Mini , Nissan , Volkswagen
Comparing the MINI Cooper S, Mazdaspeed3 and Nissan Sentra SE-R Spec V

Is the sport compact scene still relevant? Back in 2007, we compared three new market contenders, the MINI Cooper S, Mazdaspeed3 and Nissan Sentra SE-R Spec V.

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