‘New-To-You’ Vehicle Upgrades
Skyrocketing new-car prices are driving accessory sales to record levels.

The Lowdown On Limited-Slip Differentials
These drivetrain components leave “one-wheel peel” in the dust.

Lambda, Lambda, Lamba: Understanding Oxygen Sensors
Oxygen sensors – also known as “lambda” sensors – are an elite fraternity that’s vital to engine operation.

Keeping Your Cool With R-1234yf
It’s a matter of when – not if – the auto industry will fully transition to this climate-friendly refrigerant.

Variable-Valve Timing
VVT systems allow for improved engine performance over a broader operating range.

The Mod Squad: Ford’s ‘Modular’ Engines
The name doesn’t refer to parts interchangeability, although some of these engine designs share common features.

Camshafts And Valvetrain Components
Choosing the right camshaft for your intended purposes begins with defining your intended purposes.

‘Check The Part’: Return Guide For Shocks And Struts
KYB offers five tips to help determine if it’s a valid warranty claim.

‘Check The Part’: Return Guide For Manifold Converters
Dorman recommends four steps to determine if it’s a valid warranty claim.

Understanding Antilock Braking Systems
Here’s why drivers don’t need to pump the brake anymore.

Become A Pro On Shocks And Struts
Shocks are not struts, and struts are not shocks, but a shock is part of a strut.

The ABCs Of PCMs
Powertrain control modules use input from multiple sensors to make decisions on how to keep the vehicle running correctly.
