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Can Retrofitting Newer Injectors Really Provide a Quick, Inexpensive Power Bump?

Looking for an easy, low-buck power gain? Newer fuel injectors may be a quick fix.

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Do Performance Brake Pads Really Matter at Autocross Speeds?

Do higher-performance brake pads really make a difference around an autocross course? We tested four flavors of brake pad on our Mazda MX-5 project car to find out.

How to Install New Suspension Bushings in 10 Easy Steps

Installing new suspension bushings is a very labor-intensive job, but one that will pay off with a more precise suspension and improved handling.

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.

8 Tips for Welding Like a Pro

Good welding isn’t magic; it’s really just a matter of discipline and practice. We’ve found that by teaching some pretty simple techniques, bad and ugly welds quickly turn into good ...

Turbo Boost Is Good, but Too Much Can Be Bad

Don't get us wrong: More boost is almost always more better. But there is such thing as too much boost.

Is a More Expensive Suspension Setup Better Than a More Inexpensive One?

Conventional wisdom says that a race-tuned, coil-over suspension setup turns faster lap times than a simple spring and shock upgrade, but what does the data say?

Basic Body Work Part 1: Repairing Rusty Sheet Metal

Rust is often compared to cancer. If caught early, it can be stopped in its tracks. Allow it to spread, and the prognosis isn’t so good.

How to Build an Inexpensive, Quiet Exhaust That Doesn’t Cost Horsepower

Aftermarket exhaust systems are a great way to increase performance, but they can leave the neighbors plugging their ears and muttering. Here's how to find a good balance of performance, ...

How to Form Your Own Custom Foam Seat Insert

We all know that a proper driving position is key to best performance behind the wheel, but maintaining it in the face of physics can be daunting. The easy solution ...

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