Q&A

Q&A

Mailbag: Is a 3-Row Radiator Better Than a 2-Row One?

Cooling Basics – Row Quantity vs. Tube Size In the radiator core, coolant flows through tubes. The tubes are joined together by the fins. More heat can be exchanged when […]

Q&A

Ask Away! with Jeff Smith: Building an L83 vs. LS Swapping an ’84 Corvette

I have an 1984 Corvette 350 that’s a real dog. What is the best way to get more out of it? I’d like to get 300 horsepower or more. — […]

Q&A

Mailbag: Explaining Gasoline Octane Ratings

Q: What do the different gasoline octane ratings mean? … A: The octane rating measures the performance of a particular fuel blend. The higher the number, the more compression it […]

Q&A

Mailbag: Advice for Building a Ford 427 Clevor Engine

Q: I’m building a Factory Five Mk4 Roadster and I would love to install a Boss Nine 427 engine, but it’s way out of my budget. Ford Performance offers a very […]

frame vs unibody - image by autoexpertus
Q&A

Mailbag: Unibody vs. Body-on-Frame Chassis

Q: Which is better between a body-on-frame and unibody chassis design? … A: Most vehicles are built using either “body-on-frame” or “unibody” design. The terms refer to the style of […]

Q&A

Mailbag: Explaining Automotive Electric Relays

Q: What are the different types of electric relays? … A: An electric relay is a high amperage switch controlled with a small electrical input. Normally, the small input controls an electromagnetic […]

Q&A / Tech Articles

Ask Away! with Jeff Smith: Choosing a Transmission for Big Block-Powered Cruiser

I am building a ‘72 Caprice as a tribute patrol cruiser. I am pulling out the original 400 SBC and replacing it with a big-block 454 just so the look […]

Q&A

Mailbag: Explaining Thrust Angle for Both Street & Race Vehicles

Q: What exactly is the “thrust angle” on a vehicle, and why does it matter? … A: The thrust angle is an imaginary line that is precisely 90 degrees from […]

Q&A

Mailbag: Determining Tire Age by Serial Number

Q: How old are my tires? … A: The serial number of a tire is the most effective way to determine its age. The serial number may also be referred […]

Q&A

Mailbag: Tall Valve Covers vs. Stock Valve Covers

Q: Do I need tall valve covers? … A: Valve covers come in a variety of designs to give your engine the look you want. One important thing you will need […]