GMEFI Magazine

Latest Articles

Features

VIDEO: Five Girls React to a Nitrous Infused 800hp CTS-V

Jesse Kleiber

January 29, 2015

We've seen our fair share of ride along videos, but this time the amount of models that react to the racecar in question exceeds the norm as we see not just one, but five lovely ...

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Chevrolet

Car Feature: Orange Cure for Monotony

Kevin DiOssi

January 29, 2015

Matt Miller takes his 2007 Z06 to the next level for his personal amusement.

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Car Reviews

VIDEO: Camaro ZL1 Strikes Gold with new World Record!

Jesse Kleiber

January 27, 2015

With simple mods, this heavy Chevy is able to muster up a 9.86-second pass at 138mph, becoming the new fastest stock bottom end ZL1 in the world!

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Chevrolet

Car Feature: Undercover Brother

Rick Seitz

January 26, 2015

Kevin Sullivan's 2011 Caprice PPV is one car you don't want in your rearview mirror!

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Car Reviews

VIDEO: Retro Review Of 20th Anniversary ’89 Pontiac Trans Am

Amie Williams

January 27, 2015

We go back to '89 for a review of the 20th-anniversary Turbo Trans Am. Check out Motorweek's video of the turbo V6 Pontiac T/A from a couple of decades ago.

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Features

VIDEO: The 2015 Z06 is Light Years Away!

Rick Seitz

January 26, 2015

In what could be one of the coolest videos ever made of the C7Z, "Light Years Away" doesn't disappoint.

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Car Reviews

eBay Find of the Day: 1992 Richard Petty Edition Grand ...

Rick Seitz

January 26, 2015

If you're quick, you can score this 1-of-1,000 Richard Petty Edition Grand Prix on eBay right now!

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Engine Tech

PCM of NC Gives an LT1 Camaro a Mechanical Makeover!

Amie Williams

January 26, 2015

Robbie Wyatt dropped off his unmolested, pristine 1997 LT1-equipped Camaro SS for a total overhaul with PCM of NC. It's not everyday you come across a '97 LT1 Camaro with just 9,000 on the clock.

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New Products

Spectre Performance Releases Induction Kit for 1994-1996 Impala SS

Rick Seitz

January 26, 2015

Proving that age has no effect on the demand of the performance aftermarket, that's why Spectre Performance has announced their latest offering for the 1994-1996 Impala SS.

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Drag Racing

Project Sleeper Status: Back For Better Track Times With Our ...

Justin Fivella

January 24, 2015

Not content with our previous track times featured in Part II of this series, we head back to the track for improved times rom Sleeper Status!

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Features

eBay Find of the Day: 2010 Camaro SS Pace Car

Ted Leal

January 24, 2015

Chevrolet only produced 200 examples of the Indy Pace Car models for 2010, so this is a neat opportunity to pick up a piece of Chevrolet and Indy Car racing history!

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New Products

Lingenfelter’s Liquid-to-Air Intercooler C7 Intake Manifold

Rick Seitz

January 24, 2015

LPE just announced this week that they're offering a liquid-to-air intercooler for C7 Stingrays with aftermarket boost, nitrous or alcohol injection.

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Burnouts

VIDEO: The “UnderpressureWS6” is a Subtle Sledgehammer

Rick Seitz

January 22, 2015

Bored, blown and built, the "Underpressure WS6" gives us a peak of its true potential.

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Drag Racing

VIDEO: C7 Z06 vs. Viper TA on the PBIR 1320′

Rick Seitz

January 22, 2015

Here we go again... the never-ending battle of who makes the better 640-650 hp American supercar; Dodge with their Viper TA or Chevrolet with the C7Z.

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Dyno

VIDEO: Heads and Cam give Grand Sport a Wakeup Call

Jesse Kleiber

January 22, 2015

When it comes to LS performance, at the cornerstone lies not only performance and longevity but also a quite favorable reaction to modifications at a quite affordable price in the grand scheme of things

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Car Reviews

Video: Meet The 500 AWHP HIllclimbing Psycho Syclone

Amie Williams

January 21, 2015

The Psycho Syclone surfaces right here on GM EFI in this #TBT segment.

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Car Reviews

Video: 1967 Chevy Corvair Vs. 1986 Pontiac Fiero

Amie Williams

January 21, 2015

In this "Generation Gap" video hosted by Davin and Matt, two very different cars have been for this "Classic Cult" topic. For Davin, it was a 1967 Chevrolet Corvair Monza Convertible versus Matt's pick, a ...

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Blue Magic

BTR Bumpstick Wake-Up Call; Blue Magic Finds its Groove

Patrick Hill

January 20, 2015

Blue Magic gets a serious wakeup call with the help of a BTR camshaft upgrade!

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New Products

VIDEO: Holley Performance Announces the HydraMat Reservoir

Rick Seitz

January 21, 2015

Holley Performance cures fuel starvation issues with their latest creation; the HydraMat Fuel Reservoir.

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Features

2000 C5 Corvette Clocks in at 650,000 Miles and Still ...

Jesse Kleiber

January 20, 2015

One C5 owner puts his car through its paces, not through racing, but with the daily commute. Big deal, right? Not so much, considering the 'Vette has 650k miles on the clock. That's not a ...

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Car Reviews

VIDEO: 1985 Corvette-Kart Takes on Supercharged 2014 Lingenfelter C7

Jesse Kleiber

January 20, 2015

Will the modified remnants of the C4 be able to stand up to the Lingenfelter Super-'Vette? We won't spoil the surprise for you, so check out this recent face off from Roadkill.

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Industry News

Camaro Community Helps a Brother in Need

Jason Port

January 19, 2015

Camaro enthusiasts Rebecca Doyle of Rodgers Chevrolet & Kristen Lingenfelter of Lingenfelter Performance Engineering jumped in to help support and get things moving for Mike Strong, a 5th-gen enthusiast who has come down with a ...

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New Products

BMR’s Adjustable Sway Bar End Link for 5th-Gen Camaros

Rick Seitz

January 19, 2015

BMR Suspension's ever-expanding catalog now includes these adjustable sway bar end links for the 5th-Gen Camaro!

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Drag Racing

Video: John Force Announces Switch to Chevrolet

Rick Seitz

January 19, 2015

In possibly the worst-kept secret in the NHRA, John Force, legendary 16-time Funny Car champion driver, has switched from the Ford camp to rejoin Chevrolet as his brand of choice.

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News

Shop Owner Crashes Non-Street Legal Camaro While Showing Off

Amie Williams

January 18, 2015

A high performance shop owner in Katy, Texas, was taking a fourth-gen Camaro for a joyride when things took a turn for the worst.

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Drag Racing

VIDEO: 17-Year Old Girl Rocks out in Twin-Turbo LSx-Powered ’68 ...

Jesse Kleiber

January 16, 2015

What was your first car? For one 17-year old girl, its this twin-turbochaged 9-second 1st-gen Camaro!

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New Products

UMI Performance Releases Adjustable Toe Rods for 5th-Gen Camaro and ...

Rick Seitz

January 15, 2015

UMI Performance is proud to introduce their new adjustable tie rods for the 5th-generation Chevrolet Camaro and G8 platform. These replace the weak, stamped-steel version from the factory.

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Features

VIDEO: C4 Sleeper is Brought up to Speed with an ...

Jesse Kleiber

January 15, 2015

As times change, so does what is considered “fast.” In the scheme of things, the 245hp L98 powerplant that the '90 Corvette was fitted with isn’t really a competitive force in today’s performance landscape. The ...

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Drivetrain

VIDEO: TCI Automotive’s Auto-X 4L60E Transmission Package

Rick Seitz

January 14, 2015

Our friends at TCI Automotive have announced at SEMA 2014 their latest accomplishment; the Auto-X GM LS 4L60E Transmission Package - paddle shifters included!

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Industry News

2016 Buick Cascada Roadster Announced

Rick Seitz

January 13, 2015

During the week of the 2015 North American International Auto Show, Buick has officially announced their plans to produce the Cascada as a 2016 model year vehicle.

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