Post Tagged with: "electronic fuel injection"

According to Comp Cams, although variable valve timing systems in OHV motors work extremely well, a DOHC motor offers hp and torque gains that are 25-50 percent greater than in a pushrod motor. The ability to phase the intake and exhaust lobes independently is a great calibration tool that’s only limited by a calibrator’s knowledge of how valve events impact airflow dynamics. (Image/Stephen Kim)
Tech Articles

Calibrating for the Future: Conquering the New Frontier of EFI Tuning with SAM Tech’s Jason Haynes

EFI tuning, as we know it, is over. Stick a multimeter probe in it. Gone are the days of simply setting the fuel and timing maps, then calling it good. […]

This is the business end of the Holley HP ECU. The main harness assemblies plug into the two ports on the left (they’re designated J1A and J1B). The main power harness hooks up to the port on the right. The little blue port just left of J1B is the barometric pressure sensor (no hook up is required). (Image/Wayne Scraba)
Product Profiles

Holley HP EFI System Brings Pro Stock & COPO Performance to the Masses

We’ve taken a good look at many of the Holley (and MSD) fuel-injection systems available. They range from the basic, to over-the-top, in terms of function and capability. … You […]

Holley’s Uber-Cool Terminator Stealth EFI Another Easy Path to EFI Conversion
Product Profiles

Holley’s Uber-Cool Terminator Stealth EFI Another Easy Path to EFI Conversion

Last month, we took a close look at MSD’s entry-level Atomic EFI in the first of our articles designed to demystify electronic fuel injection for anyone interested in converting from carburetion […]

The throttle body is equipped with this -6AN fitting on the fuel inlet. MSD includes a barb adapter that allows you to use a push-on hose. (Image/Wayne Scraba)
Product Profiles

MSD Makes Switching to Fuel Injection Easy with Atomic EFI Master Kit

Electronic Fuel Injection (EFI) has been around for decades, but plenty of hot-rodders remain spooked by the systems: “There are wires running everywhere.” “You need dozens of sensors.” “There are […]

Video: Your Top Questions About the FiTech Go Street EFI Answered!
Tech / Videos & Galleries

Video: Your Top Questions About the FiTech Go Street EFI Answered!

By now, you may have already heard about the self-tuning FiTech Go Street EFI (or other FiTech fuel-injection systems) as being the aftermarket’s most-affordable alternative to carburetors. Depending on your […]

Crew Chief Confidential: A Longtime Crew Chief’s Perspective on the NHRA’s Pro Stock Rule Changes
Automotive & Aftermarket News / News & Car Culture

Crew Chief Confidential: A Longtime Crew Chief’s Perspective on the NHRA’s Pro Stock Rule Changes

Like anyone who competes in drag racing, Rob Downing has experienced a wide range of emotions since becoming an NHRA crew chief in 1998. During his 13 years as crew chief […]

Video: How to Install MSD Atomic EFI Fuel Injection Systems
How Tos / Parts / Product Installs / Product Profiles / Tech / Videos & Galleries

Video: How to Install MSD Atomic EFI Fuel Injection Systems

Learn how to install MSD’s Atomic EFI Fuel Injection System in your carbureted muscle car by watching this video which will walk you step-by-step through the installation process. Here, Steve […]

Ask Away: How Electronic Fuel Injection (EFI) Affects Cam Idle (Hint: You May Not Like It)
Q&A / Tech

Ask Away: How Electronic Fuel Injection (EFI) Affects Cam Idle (Hint: You May Not Like It)

A friend of mine just added an EZ-EFI 2.0 EFI to his big-block Camaro and while it runs great, it has definitely lost much of its old rumpy cam idle […]