Sport Mod Carburetion

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

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

Meet Bryce Campbell. He's the winner of our Cover Car Contest and this is his IMCA Sport Mod. He's taken his whole family racing with him, and we're thrilled to bring you his story.

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.

Overheating is a major cause of DNFs and damaged engines. We'll go beyond the cooling system for solutions to your overheating issues.

This Corvette comes from humble beginnings, but it's a serious contender on the track.

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 a few tips on how to properly mount Modified bodies and some products that will help get your race car body fabrication job done!

There's a right and wrong way to run a two-barrel carburetor on your vintage engine. Check out this guide about how to select the correct carburetor for your Flathead or vintage engine.

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!