1970 Articles

It may feel like a daunting task attempting to determine the best leaf spring for your traditional hot rod straight axle build, but our buyer's guide will surely help.

There is certainly more than one way to get your project's ride height or stance where you want it and we provide a brief overview of the options in this buyer's guide on lowering products.

The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

Old trucks are just meant to have manual transmissions. They're made even better with a modern overdrive like a Tremec TKX. Watch our C10 manual transmission conversion on an LS-swapped '68 to see just how easy it is to row your own gears,

We look at the basics of performance carburetion and what you need to properly supply your street or race car with enough fuel in this buyer's guide

Learn how to calculate your CFM with a formula to determine what the best carburetor size is for you. We also cover vacuum and mechanical secondaries.

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.

Determining your engine's bore and stroke displacement, and more with our easy to use calculators

Discover every movie featuring the Chevrolet El Camino. From Bullitt to Reservoir Dogs, explore how this iconic car became a Hollywood favorite.

Explore dirt stock car racing’s key terms, classes, rules, parts, and tips for success in this ultimate guide for new competitors.