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Tech Articles

What’s the Difference Between Single- & Dual-Circuit Brake Systems? (And Why You Need to Know the Distinction!)

It’s a big “duh” to say that brakes are vitally important to your driving safety. Yet, while hydraulic brake systems have been around for over a century now, if you’re […]

Tech Articles

Oil Down: A Look Inside Several Popular Oil Filter Models

There are all sorts of oil filters available. In fact, a trip to our favorite auto parts website will reveal thousands of oil filters available for any number of engine […]

Tech Articles

Buyer’s Guide: Why You Need to Know the Difference Between Engine & Oil Pump Primer Designs

Despite sharing a name, not all oil pump primers are designed for the same job—certain oil pump primers are made to only prime the oil pump, while others can prime […]

Tech Articles

Tire-Turning Torque: Low-Buck LS Blower Test!

What’s the biggest complaint about the little 4.8L LR4 LS Engine? Well, it’s the same complaint lodged about any small V8—namely the lack of torque production. Don’t get us wrong, […]

Q&A

Ask Away! with Jeff Smith: Steam Holes & Cylinder Heads for a Small Block Chevy 400

I’d like to build a Chevy 400 to drop in my short box pickup. The goal is a fun street truck, no track time, more likely to hit the highway […]

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The Right Way to Install Your Engine Fasteners: Understanding Friction, Bolt Stretch & Clamp Load

Your vehicle’s engine bay is a high-stress environment, with a lot of heat, vibration, and other cyclic loading forces that increase as you add horsepower. That’s why you want to […]

Tech Articles

Rod End 101: What is a Heim Joint?

At first glance, a Heim joint rod end looks pretty simple, but there’s a ton to understand before you go about using them in your vehicle. So, we put together […]

Q&A

Ask Away! with Jeff Smith: Building a Fuel System That Can Handle Both Carbureted and EFI Setups

I’m building a street big block Chevy 496 that will make around 650 hp. I’m trying to decide whether to go with EFI or still run a carburetor. But before […]

Tech Articles

Spring Time: What’s the Difference Between a Coil Spring and Leaf Spring?

While most gearheads probably already know the difference between a leaf spring and a coil spring in a car or truck suspension, we wanted to provide a simple 101 for […]

Tech / Tech Articles

TPI the L99! The 4.3L “Baby LT1” V8 Gets Torque

What the heck is an L99? We know GM uses these alphanumeric designations to label its many engine configurations, some of which were more notable than others. For instance, most […]