APR Oil Separators

General information on engine oil, including selection recommendations.

Learn what gear oils do for your differential and how to choose the best gear lubricant for your application's needs

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

Motor oil composition has changed. The reduction of ZDDP, zinc in oil, could now spell disaster for your engine. Watch this video to learn about ZDDP additives.

A look at some LS Oil Pans for your swap project. Our video guide walks you through some great options.

We take a deep dive into the high performance engine oil available from Maxima Racing Oil with Maxima's Troy Green.

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.

Tim M. has tried to stay true to the vintage route, but sometimes, exceptions must be made. For example, the original oiling system's paper element and canister are functional, but an upgraded system will be more reliable.

Learn how to use Speedway Motors' Oil Filter Opener to open your filter and inspect how your the health of your motor.

In this guide, Kevin demonstrates how to properly install an external oil cooler in his '54 Chevy Belair with a Big Block Chevy engine.