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 ...

Tuning is the origin of hot rodding. Back in the day, Pontiac owners with a taste for performance would dial in their cars' air/fuel ratios and timing among other things to squeeze a few more ponies ...

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 ...

You've probably heard about the three "stages" of tuning, but what do they mean? And is there any standard definition for ...

While we like to think of 2002 as being part of a high-tech age, our beloved internal combustion engine hasn't really changed much in the last 50 years. We're still using pushrods and overhead valves, ...

Tuning a Weber carburetor can dramatically improve how your engine idles, accelerates, and responds under load. By starting with proper baseline adjustments and refining the air‑fuel mixture, you can ...

Fork out a few hundred quid on a little black tuning box and you could unleash a healthy dollop of extra power and torque from your tractor. Sounds tempting, doesn’t it? But what are the risks? Will ...