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10 common suspension problems and how to cure them

Looking for more speed? It could be your suspension slowing you down. Fortunately, expert help awaits.

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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.

Downforce Sorcery: Diffusers Explained

An aerodynamics engineer illuminates the dark art of diffusers.

How to Go About Upgrading Your Brakes

“Jack of all trades, master of none” is a pretty good description of OE brake system designs.

Building Bargain Brake Ducts From Porsche GT3 Parts?

As it turns out, late-model Porsche GT3 front brake ducts can be adapted to a wide variety of cars.

7 Tips for Making the Switch From Street Tires To Racing Slicks

Switching from street tires to racing slicks can improve your performance on the circuit or autocross course, but only if you use them correctly.

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?

Mazda
7 Tips for Making Smart Miata Mods

How can you make yours faster on a budget?

Can You Upgrade Your Dampers by Replacing the Oil Inside?

We decided to put one of our favorite rumored speed secrets to the test.

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.

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