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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 ...

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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 ...

Suspension Bushings Are Small Yet Important Pieces of Your Suspension System

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

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.

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 Accurately Measure Your Compression Ratio

After building an engine, the bombardment of questions soon follows. Unfortunately, you might not know the answer to one important question: What is your engine’s compression ratio?

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