Tech

Tech

Video: How To Make Custom Spark Plug Wires and Test Resistance

Terry Wilson, a.k.a Coverman66, is just like us–someone whose love of hot rods and horsepower knows no bounds. At age 10 he was driving his uncle’s muscle cars on the […]

Q&A

Mailbag: How Does an Ignition Coil Work?

Q: How does an ignition coil work? … A: Ignition coils are electrical transformers. They convert low voltage to high voltage through a process called induction. There are various designs, […]

Tech Articles

Ask Away! with Jeff Smith: Bogged Down on a Blow-Through Carburetor

I have a 355 c.i.d. small-block Chevy to which I’ve added a small Vortech centrifugal supercharger. The supercharger blows into a hat over the carburetor. For now, the engine is […]

Tech Articles

Mailbag: Why Do I Need to Use Antifreeze?

Q: Why do I need to use antifreeze? … A: The fluid you use in your engine’s cooling system can affect its performance. For most vehicles, a 50/50 mixture of antifreeze and […]

Q&A

Ask Away! with Jeff Smith: Troubleshooting Stripped Cylinder Head Bolts

I’ve got an old, 327 c.i.d. small-block Chevy that I started to replace the heads with a better set. My problem is I’ve stripped the threads on two head bolts […]

Tech Articles

Mailbag: What Does a Residual Pressure Valve Do?

Q: Would you please explain residual valves? … A: A residual pressure valve is a special type of one-way check valve. They are used to keep a small amount of pressure in […]

Q&A

Ask Away! with Jeff Smith: Bearing Clearance, Cam & Oil Pump Advice for SBC Build

I have a 350 c.i.d. small-block Chevy that I’m rebuilding. It has Wiseco forged pistons with a 1/16-inch ring package and 10:1 compression, good I-beam rods, and a good steel […]

Tech Articles

Mailbag: How Do Thermostats Work Within a Cooling System?

In a liquid cooled engine, the thermostat is a valve installed between the water pump and the radiator. It controls when the radiator starts to cool the engine. It’s job is to […]

Q&A

Ask Away! with Jeff Smith: Figuring Piston-to-Deck with Protruding Pistons

I’m building a Chevy 350 engine for my son’s circle track race car. I started out with a 0.040-over block that I think has been severely decked but I’m not […]

Product Installs

Fueling Around: Ideas for Routing Fuel Lines

It’s really easy to get into trouble when routing fuel lines in your car.  A couple of issues include keeping the line away from rotating parts (for example, a spinning […]