From carburetor care to advanced EFI mapping, mastering engine tuning is about balancing airflow, fuel, and timing for peak performance. Whether you’re chasing horsepower with forced induction or ...

It has been said that the exhaust emissions from a "typical" classic carburetor-equipped street rod can be as much as 100 times that of a new '10 vehicle. That may be possible if the owner of this ...

Tuning a carburetor-equipped engine to perform its best with the reformulated unleaded gasoline of today can prove to be a challenge for many kit car owners and builders. Back in the days of leaded ...

The world of automotive performance has long been divided between traditionalists who swear by old school tuning and ...

Think you can't have a small-block that lays down 556 hp, 512 lb-ft of torque, 120-mph trap speeds, and 21 mpg on the highway without dropping three grand on a slick EFI setup? Think again. The secret ...

Hot rod engine tuning can now live in your trouser pocket, or wherever else you may keep your smart phone. It was twenty years ago when we first saw a hot rod tuner change the idle speed on a Mustang ...

Some of us have been there. Others never have. For those who have seen the inside, we realize it's a scary and confusing place. We slowly found our way around the "safer areas," then ventured further ...