Tech

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, […]

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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

The following comes courtesy of our friends at Aldan American. If you love OBS pickups like we do, you know the two-door Tahoe and Blazers from 1988-99 are fast becoming […]