suspension tech

Q: What exactly is the “thrust angle” on a vehicle, and why does it matter? … A: The thrust angle is an imaginary line that is precisely 90 degrees from […]

Q: I have a race-prepped second-gen Camaro with skinny tires up front and wide tires in the rear. The other day I had to make a quick stop and the […]

Decades ago, there was only one way to “fix” the front suspension on a stock suspension door slammer race car. It involved cutting, pasting, and tweaking the A-arms to increase […]

In today’s video, Bill from QA1 teaches us how to determine which spring rate we should choose when buying coil springs. It varies by vehicle, and often varies between the […]

In the high-performance world, nothing ever remains stock. That makes it difficult for aftermarket companies to design parts and kits that are true, easy bolt-ons for every car—where literally nothing […]

While Ford Mustang drivers can run the gamut from classic restoration guys to daily driver gals, all Mustang fans have one thing in common: passion for the original pony car. […]

In the past, we’ve taken a look at the forces at work when a vehicle is accelerating. To recap: “…as each cylinder in the engine fires, the pistons (and consequently […]

When we do brake jobs, we often concentrate on replacing or upgrading our brake pads and/or rotors only. But when we do that, we ignore an important part of brake […]

Bolt-on traction bars for leaf spring cars have been available for what seems like forever. They work, and there are all sorts of different versions out there: slapper bars, sliding […]

Whether you’re driving low and slow, and setting up your suspension for performance applications, tuning your vehicle’s suspension to efficiently put your engine power to the pavement and play nicely […]