What is an EGR Valve?
The purpose of an EGR valve is to reduce nitrogen oxide emissions in an internal combustion engine. It accomplishes this by recirculating a portion of the engine’s exhaust back into […]
How Much Horsepower Do Cold Air Intake Kits Add?
When you view an internal combustion engine as essentially a fancy air pump, a cold air intake kit makes a lot of sense. After all, if more air—specifically oxygen—enters the […]
Rebuild and Recurve: New Life for Classic Ford Points Distributors
You may ask why anyone outside of a concours restorer would be using a points-ignition distributor in this age of electronically controlled everything. A properly rebuilt and tuned points distributor […]
A Little Extra Reach Will Do Ya: Get at Those Awkward Fasteners with Socket Extensions
Socket extensions are a staple of any good toolbox. Available in a wide selection of lengths, the proper extension lets you reach fasteners that would otherwise be inaccessible. Conventional extensions […]
What is the Purpose of a Crossover Pipe on an Exhaust?
Sometimes referred to as an H-pipe or an X-pipe, an exhaust crossover pipe connects the two sides of a dual exhaust system, allowing exhaust gases from both sides to mix […]
Are Cold Air Intakes Illegal?
A cold air intake (CAI) system is often the first modification a gearhead will make to upgrade their engine. Thanks to easy installation and noticeable performance effect, many enthusiasts consider […]
How Much Horsepower Does a Dual Exhaust Add?
Is this a trick question? Yes, kind of. The answer depends on the specific type of dual exhaust system to which you are referring. Dual-Exit Exhaust Systems vs. True Dual […]
Want to Transform Your Late Model Ford Bronco or Modern Off-Roader with Retro Style? Try These Ideas
If you’ve been paying attention to Ford’s design folks lately, you’ve probably noticed they’ve been putting out some pretty rad retro models with oodles (yes, oodles) of vintage styling cues. […]
No More Bind: Set Up Your Driveline Properly with Calculators from Spicer Drivetrain
Nobody wants a driveline that vibrates, shudders, or binds up, especially in a 4×4 truck that tows or goes off-road. Adding bigger wheels and tires, a lift (or lowering) kit, […]
Ask Away! with Jeff Smith: Coated Vs. Non-Coated Engine Bearings
I’ve read engine builds where the builder swears by coated engine bearings and then other guys will say that they are just a way to spend more money and they […]