Modified Fuel Additives

There's a new spec engine option for the 2025 IMCA Modified season. Here's what you need to know.

In this Tech Tip, John answers a customer concerns about adding additional drop to his 1960-1972 Chevy truck.

Building GM’s LQ4 6.0L Gen 3 LS engine for various power levels is easy with the right performance parts recipe.

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.

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

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!

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!

The process on how to effectively winterize your fuel system in open wheel racing. This includes step by step instructions and recommended parts to use for your fuel system.

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide!

Learn how to replace a fuel sending unit. Our fuel gauge sending unit guide and installation video covers all you need to match your fuel sender and gauge.