Mailbag: Breaking in Ceramic Coated Headers

Q: How do I break in my new headers? … A: Most ceramic coated headers will come partially cured. The following break-in procedure will help to fully cure the coating. […]

Tech Projects

Project Firebolt: The LSX Turbo Tacoma (Part 11): Wiring Up and Cooling Off

In this update we’re starting on our big wiring job and keeping that turbocharged tornado frosty with a front mount intercooler and methanol injection kit. LS-based engine swaps are popular […]


Mailbag: A Quick Guide to Torque-to-Yield Fasteners

Q: What is a TTY bolt? … A: Torque to Yield (TTY) fasteners are used in many modern engines. When torqued properly, they provide better clamping force than standard fasteners. […]

automotive fittings - photo by Hot Rod
Tech Articles

AN Fittings Torque Chart for Automotive Plumbing

AN stands for Army-Navy. The size specifications were established by the U.S. military during World War II and were originally used in the aerospace industry. AN fittings use a 37-degree […]

Racing slicks

Mailbag: How Long Do Drag Slicks Last?

Q: How long will a set of drag slicks last? … A: The life of a drag racing tire can be determined by many factors. Tire compound, track conditions, vehicle […]

Tech Articles

Improving Hook with Sway Bars on Drag Cars

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 […]

Tech Projects

Project Firebolt: The LSX Turbo Tacoma (Part 10): Plumbing for Fuel, Oil and Water

It’s time to tackle the important job of plumbing the lines for all the vital fluids that will keep Firebolt alive and well. This turbo 5.3 will need plenty of […]


Mailbag: Lowering ETs with a New Cam & Intake Manifold

Q: My current project is giving me trouble. I have a 1953 Chevy 1/2-ton truck with a 283 at .030 overbore and .010 under rods and mains. I’m running early […]


Ask Away! with Jeff Smith: Diagnosing Oil Pressure Drops in a Big Block Chevy

I have a big-block Chevy in a ‘69 El Camino that I just purchased. I really don’t know much about the engine other than it is a 454 with an […]

Product Installs

Video: Installing and Tuning an FST Billet X-Treme Carb

In today’s video, Ken from FST Performance Carburetors shows us how to install and tune an FST Billet X-Treme Series carb on a 1969 Chevrolet Chevelle. The Chevelle already had […]