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Fuel Tips: Lawn and Garden Equipment Needs the Proper Fuel, Too

Like our performance cars, the small engines in lawn equipment can have special fuel requirements. A biggie that helps small engine performance: Fuel that is free from moisture.

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What Makes the Best Air Intake?

We built (and actually tested) different intake designs.

DIY Project: Turning an Ordinary Couch Into RaceCouch

Some couches can recline. Others sport a built-in refrigerator, cup holders, and a little cubby for the TV remote. Georgia Tech’s Wreck Racing built a couch that can go nearly ...

From Nine Lives Racing: Big Carbon-Fiber Wings for Big Downforce

Nine Lives Racing knows how to make big wings that can survive the track, but it also knows how to make them out of carbon fiber, too.

How the Right Fastener Can Prevent Hardware Failure on Track

Learn from our mistakes: Here are a few different types of locking nuts, washers, and threads specially designed to keep hardware tight, and how each type works.

How to Make Your Own Delrin and Urethane Bushings

You can make your own suspension bushings right in your own garage.

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?

E85 Ethanol Fuel: How to Corn Your Way to More Horsepower

Switching from gasoline to E85 ethanol is technically challenging, right? Especially on a modern car? And it will also melt all of your fuel lines and burn right through the ...

Mk7 Golf Upgrades Straight From the Parts Bin

The best part about the MQB’s modular design is that all of those parts can be easily mixed and matched across the platform.

How Dumpster Diving, Junkyard Parts and an IKEA Hack Make a LeMons Winner

How a team of engineers built a Lemons winner with dumpster diving, junkyard parts and a few IKEA bits.

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