Common Firing Orders

Learn how HEI distributors work, how to wire and install them, and why they’re a top upgrade over points ignition systems. Includes tips on testing, vacuum advance, and DUI distributor benefits.

From glasspack, turbo, and chambered mufflers, to resonators, and more, which muffler is best for you? See our guide to learn more.

Easily calculate the best axle ratio or tire size for your build. Use our axle ratio calculator to match RPM, gear ratio, and tire diameter for optimal performance.

Why are fuel filters offered in different micron ratings, and which one is right for your build? Learn why EFI and carbs take different filters.

Why was the Pontiac 350 phased out for the Chevy 350? Discover the key differences, performance, and advantages between these iconic GM small-block V8 engines.

Aluminum vs. cast iron heads—what’s better for your build? We break down power, weight, heat, and cost to help you choose the right cylinder heads.

Lifter tick vs rod knock—what's the difference? Learn how to identify these engine noises, their causes, potential damage, and how to fix them.

Knowing how much your generation of Camaro weighs will help you determine shock settings, spring choices, and suspension setup.

Small block Chevy V8 or the modern LS V8? Which one comes out on top as the best engine to swap into your ride?

You won't make it far down the road or around the track with a damaged radiator. Here's how to handle a leaky radiator, and more importantly, how to prevent holes and other radiator damage in the first place.