GMEFI Magazine

GM EFI

Features

WIN A C7 Corvette Grand Sport from Dream Giveaway!

GM EFI

September 19, 2026

Official Release: Win a Rare Corvette Grand Sport Collector Edition Here’s your chance to win a low-mileage 2017 Chevrolet Corvette Grand Sport Collector Edition, a limited-production C7 that combines the naturally aspirated power of the ...

New Products

BLUEPRINT ENGINES PERFORMANCE BLOCKS EARN NHRA APPROVAL

GM EFI

September 17, 2026

Broad NHRA certification of BluePrint Performance cast-iron blocks gives racers and engine builders new competition-approved options across SBC, BBC, LS and SBF platforms

New Products

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

GM EFI

August 18, 2026

Get that high-horsepower building top-end you're looking for from Holley Performance!

158

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!

162

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.

218

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!

263

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?

340

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?

295

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

316

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

448

Industry News

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

GM EFI

March 26, 2026

She's baaaaack!!

441

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...

375

Industry News

Chevrolet Announces C8 Corvette Grand Sport for 2027

GM EFI

March 23, 2026

It's back, and better than ever!

389

New Products

Dakota Digital Announces RTX Instruments For 1982-92 Pontiac Firebird

GM EFI

March 6, 2026

Update and upgraded -- that's the name of the game iwht the Dakota Digital RTX gauges for your 1982-92 Pontiac Firebird and Trans Am.

344

Engine Tech

How Does Cold Weather Affect Your Motor Oil? — Pennzoil ...

GM EFI

February 20, 2026

Taking a closer look at the winter effects on your engine's oil.

526

New Products

New For Small-Block Chevy Guys: AFR’s New Top End Kits

GM EFI

July 28, 2025

AFR now offering new head and cam kits for Small-Block Chevy owners.

792

EVENTS

2025 Carlisle GM Nationals Weekend Review

GM EFI

June 25, 2025

The 2025 Carlisle GM Nationals was one for the ages!

787

Industry News

VIDEO: Chevrolet Drops the Corvette ZR1X with 1250hp

GM EFI

June 17, 2025

Chevrolet unveils the 2026 Corvette ZR1X -- AWD, twin turbo, and 1,250hp.

848

New Products

Introducing the Lingenfelter Exclusive Stage 1 Twin Turbo System – ...

GM EFI

May 27, 2025

Add nearly 200hp to your C8 Stingray or ERay with the Stage 1 Twin Turbo Kit from Lingenfelter Performance Engineering

1041

New Products

GBodyParts Announces CHROME Aluminum 15-Inch Grand National Wheels

GM EFI

May 27, 2025

Keep the factory look, while dropping some weight and preventing rusting wheels.

800

New Products

Spotlight: GBodyParts 1978-88 GM Buick Regal Oldsmobile Cutlass Factory 4 ...

GM EFI

May 23, 2025

Replace your worn, tired shifter with a reproduction piece from GBodyParts.

757

New Products

BMR Suspension Motor Mount Kit with Solid Bushings for 2015-2019 ...

GM EFI

May 6, 2025

Drop weight and eliminate your weak factory engine mounts with the help of BMR!

643

New Products

Summit Racing LS SPC Engine Blocks

GM EFI

May 1, 2025

Build an LS-powered hot rod with th help of Summit Racing!

755

New Products

Engine Storage Options from Scribner Plastics Storage Containers Available Through ...

GM EFI

April 9, 2025

Keep Your Engine, Transmission, and Other Parts Safe and Secure with Scribner Plastics Storage Containers

837

New Products

Ultimate Frame Coater Kit Surpasses 20K Unit Sales Milestone

GM EFI

April 15, 2025

Restore the frame of your classic hot rod, muscle car, or modern classic with KBS Coatings' 3-Stage Frame Coater Kit.

711

Features

ProCharger Becomes the First to Offer a 50-State Legal Supercharger ...

GM EFI

March 17, 2025

C8 Corvette ProCharger legal in all 50 states!

841

New Products

Granatelli Motor Sports Unveils New Red Series Throttle Body for ...

GM EFI

October 16, 2024

Increase airflow to your vehicle's engine, with the help of Granatelli Motor Sports!

941

New Products

Performance Design Unleashes the TRc Carbon Fiber LT1/LT4/LT5 Intake Manifold

GM EFI

September 24, 2024

Upping your LT-engine's game with a carbon fiber intake from Performance Design.

1192

New Products

Announcing Fuel Tank Bulkhead Connector Assemblies from Racetronix

GM EFI

September 17, 2024

Just released, these billet fuel tank bulk head connector assemblies help take your project car to the next level.

1104

Features

Chevrolet Announces the Full Specs of the 2025 Corvette ZR1

GM EFI

August 27, 2024

Unleashing the 2025 ZR1 into the wild.

1321

1 2 3 … 5 »