AC Carburetor Tuning Kits

We help you decide if converting your pickup, muscle car, or hot rod to EFI is worth the time and expense

Why buy a cold air intake like everyone else when you can build your own?

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.

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

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!

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.

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

The classic 350 small-block Chevy is beloved for its simplicity and strength. And yes, you can turbocharge it to unlock modern levels of horsepower. Turbocharging a SBC 350 can transform your vintage V8 into a streetable, tire-shredding monster..

Making the switch from manifolds to headers is a popular performance upgrade, but it may take more than just bolting on the new part. We provide some tips and things to consider after you bolt on a new set of headers.

Learn how to install a bypass and deadhead style fuel pressure regulator. We cover how these regulators work with a carburetor and advantages of each style.