K&N AC Shelby Cobra Engine Parts

This Cobra features a G-Comp suspension and an unlikely engine choice, but its mission is the same as those storied Cobras of old. It was built to win races.

Jeff K. doesn't just limit his tendencies to the classics. His daily drivers get the special treatment as well. Take his 2015 Mazda6, for example. Among the changes Jeff made was to install a K&N Performance Air Intake kit.

The GM LS engine is the hot powerplant these days. But is there too much of a good thing?

Where do you stand on engine swaps? Does your Ford need to have a Ford engine and your Chevy need to have a Chevy? Or, does anything go in the name of speed? We want to hear your opinion...

Learn what goes into setting the fuel for your engine and how to change the density altitude, ADR, main pill and high speed pressure to optimize a/f ratio.

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 this Tech Tip, John offers up a couple solutions to a customer wanting the best electric option to fuel his project.

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

Read about the wheel and tire combination that was chosen for a 1931 Model A Coupe. Learn tips for choosing wheels and tires and how to complete the installation.

Read this guide on how to create a custom crankcase vent system for a Corvette using a Sure Seal air cleaner assembly kit. Learn how to keep pressure to a minimum and fabricate tubing to ensure a proper fit.