GMEFI Magazine

Special Features

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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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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Engine Tech

VIDEO: Back to Basics – With LS Cam Swaps!

Jesse Kleiber

January 12, 2015

Richard Holdener is back with a step-by-step how-to on installing an aftermarket camshaft into your LS!

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Drag Racing

VIDEO: Caprice PPV- Hauling in Bad Guys with LS Power

Jesse Kleiber

January 5, 2015

In case you aren't aware by now, that that odd-looking G8'ish Caprice cop car is packing LS power under the hood! In case you're thinking of running, you might want to reconsider your choices.

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Car Reviews

VIDEO: Chris Harris Drives the Holden HSV Maloo GTS Ute

Rick Seitz

December 18, 2014

Not ones to go out with a whimper, HSV continues to build monsters like the Maloo GTS Ute; featuring an honest-to-goodness LSA that's been plucked from the ZL1's engine compartment, making for one killer, drift-happy ...

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Industry News

C7 Z06 Limited to Conservative Tuning

Rick Seitz

December 11, 2014

The recent street racing video of a Viper and Z06 has gone so viral, that the brass at GM had to comment on it, citing the Z's conservative ECU tune as a potential culprit of ...

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Drivetrain

A Closer Look at Tuner Options from Chevrolet Performance

Rick Seitz

December 7, 2014

Whether you're looking to simply build a quick daily-driver or you want to get serious about small-displacment performance, there are plenty of outlets for you to choose from in finding speed parts for your GM ...

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Features

Charlie Sheen’s GNX Up for Grabs in Bowling Green

Rick Seitz

November 16, 2014

Charlie Sheen has also been known to own some interesting cars throughout his life, not least of which is this 1987 Buick GNX (No. 151).

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Features

VIDEO: Back to the Future; Inside the Buick GNX Assembly ...

Rick Seitz

October 23, 2014

The video makes it a point to highlight the special and unique features of the GNX over a "standard" Grand National; such as the ceramic turbocharger, larger wheels and tires, flared wheel arches, and the ...

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