Modified Winters Competition 305 10 Differentials

What is the difference between 305, 360, and 410 sprint cars? From engines and horsepower to speed, cost, and racing series, both winged and wingless – we the racing experts from Speedway Motors break it down.

In this Tech Tip, a customer asked about using a set of Small Block Chevy Sprint Roadster headers for his trike, powered by a stock 305.

Dirt modified racing delivers high-horsepower, adrenaline-fueled action, learn more about them and their racing classes

This article demonstrates how to install a complete Winters quick change kit with additional parts including birdcages, brackets, and calipers for a modified race car.

A short article explaining the main differences between open and limited slip differentials.

A brief overview of the steps Speedway Motors takes to ensure you get a quality differential.

In order to be competitive and win, it's important to find the right set up that works for you and your car. Here's some general reminders to remember during set up!

Ford’s 302ci small block V8 is one of Ford’s best engine designs and is capable of great power with the right parts

Down time between races? Check out these recommended tests to keep your engine running at peak performance!

Learn how to upgrade your stock Chevy 350 or Ford 302 for peak performance with bent exhaust systems and more. Don't settle for stock in your crate engine.