EFI Archives - Page 3 of 6 - Engine Builder Magazine
Running the Right ECU

It’s important that the ECU you choose for your vehicle’s engine makes sense for its application. Many people are not aware that the stock ECU simply isn’t going to cut it it many performance applications.

Many engine builders have said Holley is a great ECU package for your wallet and your vehicle.
Inside EFI University

Ben founded EFI University, a high-performance engine training center, in 2003 when he decided to create a weekend seminar to help encourage engine builders to embrace electronic fuel injection. Within the first six months, he was overwhelmed with requests to continue teaching it.

Holley EFI Terminator X Stealth 4150 and 4500 Throttle Bodies

The 4150-series is available in three finishes (shiny, gold and black) and the 4500-series is available in two finishes (shiny and black).

MSD Atomic 2 Master Kits

Redesigned from the ground up, the Atomic 2 EFI system now features an 865 CFM throttle body with integrated ECU.

Engine Tech Q&A Featuring Total Seal and EFI University

Join us for a live engine tech Q&A at 12pm EST on April 29, where you can ask Ben Strader, Keith Jones and Lake Speed Jr. all your burning engine questions. Nothing is off limits – everything from 11,000 rpm LS engines to 3,000 horsepower diesels and beyond is fair game for these experienced and

Holley Sniper EFI Stealth 4150 Braided Fuel Crossover Kits

These pre-assembled fuel crossovers are designed to provide ample clearance between the fuel hose and the TPS sensor.

Holley Terminator X Stealth 4150 EFI System

The Terminator X ECU features fuel maps that self-learn.

The EFI Tuning Evolution

Much of the acceptance of EFI has been due to aftermarket companies making them more user-friendly.

Terminator X Stealth 4500 EFI System

The Terminator X Stealth 4500 EFI system can support up to 1,500 horsepower naturally aspirated or 1,250 horsepower on forced induction applications.

612 cid Blown Big Block Chevy Engine

Looking for the ultimate in reliability and durability on 93 octane, Hardcore Horsepower built this 612 cid big block Chevy engine with a 10-71 blower and Fast EFI to the tune of 1,000 horsepower. Find out what else went into this build.

HP Academy Teaches EFI Online

The HP Academy was started to fulfill the need for some sort of formal training for EFI tuning. Two New Zealanders, Andre Simon and Ben Silcock, founded HPA in 2010.

Electronic Fuel Injection for the Masses

There’s no way to sugar coat it. Unless you’ve got a rock-solid niche business in building vintage engines, chances are you’ll need to become an expert with EFI products and how to tune engines with these systems.