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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.

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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.

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?

9 Setup Changes to Optimize Racing in the Wet

How should your race plan change when skies are gray? We test 9 setups to find out.

The Difference Between Street Brakes and Racing Brakes

Street or track? The Ford GT’s brakes change with the specific mission.

Suspension Bushings Are Small Yet Important Pieces of Your Suspension System

Pushing your car to the limit? Have you thought about your bushings lately?

Easy ND Mazda MX-5 Performance Tips from Good-Win Racing

What are the three most important modifications to make on an ND MX-5? Good-Win Racing’s Brian Goodwin gave us two separate lists, one for street and autocross, and another for ...

How to Dyno Your Anti-Roll Bars at Home

How to accurately compare one anti-roll bar against another? Measure them.

How to Execute DIY Track Testing Like a Pro

You don’t have to be Consumer Reports—or even GRM—to conduct your own product tests.

An Engineer Weighs in on Corvette Leaf Springs: Deep Talk on a Seemingly Simple Subject

A straightforward question came up as we worked on our Corvette Z06 project car: What are the rates for leaf springs–both OEM and some popular replacements?

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