One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

In a performance application at wide open throttle, the ECU needs to control the air to fuel ratio to hit a small target somewhat richer than stoichiometric. The narrowband sensors most OEs use only ...

DI Fuel System Sensor Configuration: Rail Sensor Input, LPFP/HPFP Setup, and Pressure Monitoring — A user configuring a direct injection (DI) fuel system asked about locating the fuel rail sensor ...

Forced induction is getting more and more popular with automakers. Turbocharging is an effective way to add performance to your vehicle, even if it didn’t come equipped with it from the factory. And ...

Tuning a stock, EEC-IV engine control module on a Fox Mustang is like trying to stream Netflix on a dial-up connection — outdated, inflexible, and likely to leave you screaming into the void. For me, ...

At the end of a long week, some dads find comfort in turning their kitchen into the tent from “The Great British Baking Show” and experimenting with a new recipe. Others like to turn their phones off, ...

Fuel delivery technology has come a long way in the past few decades. Yesterday's carburetors can't hold a candle to modern EFI systems in terms of driveability, economy and reliability. Changing ...

Back in the day, if you were setting up a car with non-stock carburetors or a modified fuel injection system and needed to dial it in, you used old-school methods. If it made your eyes water, it was ...

An engine relies on two things to run: spark and fuel. Sure, there are a million other things to consider when speaking of engine operation and power, but regardless of the type, size, or brand of ...

Although carburetion remains very popular with car crafters, fuel injection is all about convenience and modern tuneability in a vintage ride. Hop in, twist the key, start it up, and go. Imagine ...

In the past, trying to convert your older truck from standard carburetion to modern fuel injection was not only difficult, it was costly as well. Assuming you could install all the parts correctly, ...

It’s understandable how doubts and fear could creep into an enthusiast’s mind when swapping the old faithful carburetor in favor of an advanced fuel-distribution system. Before breaking out in a cold ...