GMEFI Magazine

Features

VIDEO: HOLLEY EFI 6L80/6L90E TRANSMISSION CONTROLLER FOR TERMINATOR X MAX!

Rick Seitz

February 29, 2024

The six-speed 6L80E/90E transmission is quickly becoming the go-to automatic transmission for performance applications. You can chalk it up to an increased production output for trucks and performance cars, and its adaptability is a huge ...

472

Features

Reversion Raceworks Dash Mount for 4th-Gen Fbody

Rick Seitz

February 27, 2024

Reversion Raceworks has been getting a lot of digital ink over here, for the last couple of months, thanks to their ongoing Suburban project. But that’s not what they’re all about. Reversion Raceworks is a ...

286

Features

VIDEO: Reversion Raceworks Starts the OBS Suburban’s Makeover Process

Rick Seitz

February 24, 2024

The aesthetics start to come together on this '99 Suburban being built by Reversion Raceworks.

270

Features

VIDEO: Killer Mike’s Grand National Gets an LT4 Crate Engine

Rick Seitz

February 23, 2024

Swapping an LT4 into Killer Mike's Grand National.

360

Features

VIDEO: Reversion Raceworks Takes Their Suburban Suspension To The Next ...

Rick Seitz

February 22, 2024

Upgrading the Reversion Raceworks Suburban with new suspension, and improved aesthetics.

297

Features

VIDEO: Hemmings Kicks Off The Killer Mike Build Series

Rick Seitz

February 19, 2024

Killer Mike's Grand National gets a quick makeover, just in time for the Grammy's.

358

Features

Hawks Motorsports Announces Parking Lamps for 1991-92 Pontiac Firebird

Rick Seitz

February 16, 2024

Do you own one oft he last third-gen Firebirds, but are desperate for new replacement parking lamps? Hawks has you covered.

293

Features

VIDEO: Installing RedRock OEM-Stye Fender Flares on 1999-2006 Sierra and ...

Rick Seitz

February 15, 2024

Installing a set of RedRock fender flares into a 1999-2006 GMC Sierra and Chevy Silverado has never been easier.

341

Features

VIDEO: Tuning a 2009 Silverado with a Bully Dog Handheld ...

Rick Seitz

February 15, 2024

Increase the horsepower, torque, fuel economy, and overall performance of your 1999-2014 Silverado with the help of Bully Dog.

307

Engine Tech

VIDEO: How to Hone an Engine Block with KB Titan ...

Rick Seitz

February 6, 2024

Total Seal Piston Rings teams up with KB Racing Engines to show us how to hone an engine block.

264

Features

Dream Giveaway Kicks off Another Corvette Twofer for 2024

Rick Seitz

February 2, 2024

Enter to WIN a PAIR of modified Corvettes PLUS the $50k for the taxes.

308

Chevrolet

VIDEO: Florida High Performance’s 900hp Twin Turbo C8 Corvette Customer ...

Rick Seitz

January 31, 2024

In case you haven’t been following along lately, and we have no clue why you wouldn’t be, our friends over at Florida High Performance have been cranking away on this C8 in their shop. Now, ...

348

Features

VIDEO: Jet Performance Products Powr-Flo Mass Air Sensor Install on ...

Chris Holley

January 31, 2024

Switching from an OEM MAF to a unit from JET Performance. Is it worth it?

324

Exhaust

VIDEO: MBRP Armor BLK Dual Exhaust System Awakens 5.3L 1500s

Chris Holley

January 31, 2024

Upgrading the catback exhaust system in your 2019-24 Silverado and Sierra.

272

Feature Cars

Car Feature: A Tribute to a Missing Link of Firehawk ...

Rick Seitz

January 26, 2024

Hawks Motorsports builds a Tribute Firehawk with modern power

772

Features

VIDEO: Trans Am Worldwide Builds its Final Trans Am

Rick Seitz

January 23, 2024

Over the last decade-plus we’ve been watching the the evolution of Trans Am Worldwide, a company that took the 5th-gen and 6th-gen Camaro, and used it as a catalyst to build modern Trans Ams, grow ...

381

Electrical

VIDEO: Reversion Raceworks Rectifies an Old School Build ’99 Suburban

Rick Seitz

January 19, 2024

Reversion Raceworks unveils their latest project vehicle!

414

Features

VIDEO: Spoolfool Productions Announces TWO New Products for G-body Regal

Rick Seitz

January 7, 2024

Spoolfool drops not one, but TWO new products for G-body Regals!

931

Features

It’s Back! The Firebird Firehawk is Reborn Via Hawks Motorsports

Rick Seitz

January 9, 2024

It's the return of the Firebird Firehawk, thanks to Hawks Motorsports!

547

Features

VIDEO: AmericanTrucks Introduces 6-inch Running Boards for 2019-2023 Silverado/Sierra

Chris Holley

January 4, 2024

Add some utility and a more useful form and function to your 2019-2023 Silverado and Sierra with these running boards from AmericanTrucks.

418

Electrical

VIDEO: Phastek Performance Autostop Eliminator for 2019-2022 Chevy Silverado and ...

Chris Holley

December 31, 2023

Eliminate the annoying Stop-Start feature for your 2019+ Chevy Silverado and GMC Sierra.

385

Chevrolet

VIDEO: Jason Keller Relives His Youth with Hawks Motorsports

Chris Holley

December 27, 2023

Hawks Motorsports builds the ultimate street car for a NASCAR legend.

638

Features

GMEFI’s Guide to the TrailBlazer SS and Saab 97x Aero

Colby Malone

December 21, 2023

photos by: TurboSmart, Chevrolet, MotorTrend, Brian Hogan Photography, WeBe Autos Looking Back at Chevrolet’s Only Performance V8 SUV While TrailBlazer and Super Sport may seem to be on opposite ends of the car enthusiast spectrum, ...

1189

Features

Dream Giveaway Kicks off Two Supercharged V-Series Sweepstakes

Rick Seitz

December 1, 2023

OK, you can park TWO V-Series Caddies in your garage, and stick $80,000 into your bank account to cover the taxes on them. What's NOT to love about this?

650

Drivetrain