GMEFI Magazine | Your Source for Everything from TPI to LT7

Latest Posts

New Products

HOLLEY SIMPLIFIES FUEL INJECTION UPGRADES WITH NEW EFI TOP END ...

GM EFI

August 18, 2026

Official Release: HOLLEY SIMPLIFIES FUEL INJECTION UPGRADES WITH NEW EFI TOP END KITS FOR LS, LT, CHEVY AND FORD PERFORMANCE ENGINES Complete induction and fueling packages eliminate guesswork while delivering proven compatibility and savings BOWLING ...

3

Read more

Dyno

VIDEO: Florida High Performance Announces Their C8 Corvette Grand Sport ...

Rick Seitz

August 18, 2026

Florida High Performance adds a C8 Grand Sport to their development fleet. We can't wait what's to come.

9

Read more

Industry News

Dakota Digital Celebrates 40 Year Anniversary With a Logo Refresh

GM EFI

August 2, 2026

After 40 years of delivering high-quality digital gauges for all of our favorite vehicles, Dakota Digital decided it was time to freshen things up!

46

Read more

New Products

PROFORM ULTRA-PERFORMANCE BRUSHLESS FANS: MAXIMIZED AIRFLOW. INTELLIGENT POWER

Rick Seitz

July 24, 2026

Official Release: PROFORM ULTRA-PERFORMANCE BRUSHLESS FANS: MAXIMIZED AIRFLOW. INTELLIGENT POWER. NEW! 10, 12, and 14 inch Pusher & Puller Brushless Fans Models WARREN, MI — PROFORM announces new Ultra-Performance Brushless Fans featuring 10, 12, and 14-inch ...

90

Read more

Features

Enter to WIN a 2026 CT5-V Blackwing — AND the ...

Rick Seitz

July 23, 2026

Park the ultimate high performance daily driver in your garage!

78

Read more

Dyno

VIDEO: Revolution Streetcars RUN READY™ LSA Supercharged Crate Engine

Rick Seitz

July 13, 2026

Revolution Streetcars RUN READY™ LSA Supercharged Crate Engine Available Now – Dyno Tested, Broken In & Ready to Install

136

Read more

New Products

BOOST Products USA Competition Intercoolers for Your Turbocharged or Supercharged ...

GM EFI

July 6, 2026

BOOST Products USA offering high performance cooling solutions for your boosted race car.

123

Read more

New Products

Granatelli Motor Sports Announces Their ANACONDA Blow Off Valves

GM EFI

June 18, 2026

Get those awesome turbo noises with an Anaconda BOV from Granatelli Motor Sports!

158

Read more

Editorials

2027 Corvette Engine Offerings: LT2, LT6 and LS6

GM EFI

June 5, 2026

Three potent weapons under the clamshell hood of the Corvette for 2027. Which one is for you?

201

Read more

Industry News

Chevrolet: 2027 Corvette Grand Sport takes on One Lap of ...

GM EFI

May 22, 2026

For the nation's 250th birthday, what could be more perfect?

195

Read more

Dyno

VIDEOS: Florida High Performance Builds a Pair of Boosted Cadillacs

Rick Seitz

May 7, 2026

Florida High Performance takes two V-Series Cadillacs to the next level.

280

Read more

Features

VIDEO: Florida High Performance Cranks Up a 5G ZL1

Rick Seitz

May 5, 2026

Nearly 1000hp to the tires isn't anything to ignore...

219

Read more

Industry News

A Low-Production Matte Black Cadillac Beast Hits the Showrooms

GM EFI

May 1, 2026

Cadillac celebrates Formula 1 Crypto .com Miami Grand Prix 2026 Miami Grand Prix with CT5-V Blackwing F1 Collector Series

221

Read more

Features

Revolution Streetcars LS and LT Swap Headers for OBS GM ...

Rick Seitz

April 21, 2026

Revolution Streetcars not only builds road-going, soup-to-nuts, LS- and LT-swapped muscle cars and hot rods.

264

Read more

New Products

VIDEO: Spoolfool Spotlights Their Carbon Fiber F-body Fenderwells

Rick Seitz

April 11, 2026

Clean up your engine bay, and keep it clean, with the help of these brand new carbon fiber fender wells from Spoolfool Productions.

279

Read more

New Products

Hot Shot’s Secret Introduces Green Diamond Ultra-Low Viscosity Automatic Transmission ...

GM EFI

April 2, 2026

Hot Shot’s Secret Introduces Green Diamond Ultra-Low Viscosity Automatic Transmission Fluid for Ford and GM 10-Speed Transmissions

322

Read more

Features

Dream Giveaway Announces Two Camaros — for ONE Ticket!

Rick Seitz

March 30, 2026

Enter to win TWO iconic Camaros with one ticket!

283

Read more

Industry News

2027 Chevrolet Corvette Grand Sport, Grand Sport X debut with ...

GM EFI

March 26, 2026

She's baaaaack!!

326

Read more

New Products

Rexing USA Releases New 4000A Jump Pack For Winter Travelers

GM EFI

March 23, 2026

It's time to thaw out those stored project cars! Rexing is here to give you a jump...

281

Read more

Features

VIDEO: Florida High Performance Showcases a TRX Killer

Rick Seitz

March 23, 2026

FLHP taking the ZR2 Silverado to the level that GM should have, in the first place.

352

Read more

Load more