GMEFI Magazine

TECH

Ignition Systems

VIDEO: ACCEL Performance Group Launches ACCEL IT!

Rick Seitz

February 26, 2015

ACCEL Performance Group's "ACCEL IT" video series features host, Jenny Long, traveling across the country looking for the next lucky individual to to get ACCEL'd with the latest ignition products available for their ride! You ...

3704

Engine Tech

Livernois Motorsports’ G8 GXP “Heart” Transplant

Barry Kluczyk

February 13, 2015

Adapting Magnuson's more efficient Heartbeat supercharger raises the pulse of performance in a G8 GXP, on behalf of Livernois Motorsports & Engineering.

8349

New Products

Granatelli 1G Suspension for 5th-Gen Camaros

Ted Leal

February 10, 2015

Reducing the flex and twisting of your Camaro no matter how you drive it, whether it be autocross or road racing, the 1G will help you put the power down.

3350

Engine Tech

VIDEO: Swapped ‘N Built – Buick GNX with a Refreshing ...

Jesse Kleiber

February 5, 2015

Those who were lucky enough to get their hands on a 1987 Buick GNX, also known as "The Grand National to end all Grand Nationals," is even luckier if they're still holding on to one ...

6059

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.

7892

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!

6059

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!

25614

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!

4489

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!

8992

TECH

VIDEO: Eaton Detroit Truetrac Posi/Limited-Slip Diff Install on ’87 C10 ...

Amie Williams

January 7, 2015

If you're looking to install a posi/limited-slip differential, check out this video of a Eaton's Detroit Truetrac installation on a 1987 Chevy C10 truck.

6676

Engine Tech

Boom Stick: Unpacking and Modifying a Chevrolet Performance LS376/525

Eric McClellan

January 7, 2015

Our friends at Gearhead Daily build a killer road racing machine with a Chevrolet Performance crate engine!

5458

Ignition Systems

VIDEO: Flashback to 1994; an Extended Look into ABITS/OptiSpark

Casidy Leal

December 26, 2014

Many LT1 enthusiasts can tell you horror stories of OptiSparks failing and causing all kinds of drivability issues. So let’s look at some common ways the OptiSpark could give you issues.

9355

New Products

UMI Performance K-Member for ’93-02 F-bodies

Rick Seitz

December 23, 2014

Taking an already excellent design and completely revamping it, the LT1 (PN-2326) and LS1 (PN-2321) 4th-Gen F-body K-member takes engine cradle technology to a whole new level.

3383

Fuel Delivery

Racetronix Turbine-Tech Fuel Pumps

Rick Seitz

December 18, 2014

New Racetronix Turbine-Tech high-performance fuel pumps incorporate the latest technology to provide the best performing and most reliable fuel pumps on the market.

4039

Exhaust

American Racing Headers C6 Z06 Big-Tubes and H-Pipe

Rick Seitz

December 16, 2014

ARH Big Tube C6 ZO6 headers with H-pipe are now available for high horsepower Supercharged, Nitrous or N/A combinations producing 900 to 1500 RWHP.

3500

Engine Tech

AntiVenom’s C7Z: First Dyno Test

Patrick Hill

December 14, 2014

Kevin Helmintoller is back with his brand new C7Z, and he's already dropped it off at AntiVenom just two days after taking delivery. If the name sounds familiar, that's because Kevin had lost his C5Z ...

4212

Engine Tech

Billet LT1 Bullet – An Inside Look at One Unusual ...

Eric McClellan

December 10, 2014

This 9-second sleeper Impala SS sports a dirty billet secret under its hood!

5735

Engine Tech

Build an LS3 on a Budget – We Show You ...

Patrick Hill

December 10, 2014

Converting a junkyard L92 into an LS3 on the cheap and dirty!

117104

Dyno

VIDEO: Pick Up an Easy 200 rwhp with a JDP ...

Rick Seitz

December 9, 2014

It's no secret that the ZL1 Camaro, with its factory-equipped 556hp LSA, is a supercharged monster. With a programmed conservative tune and a restricted induction and exhaust system, it leaves tons of power potential on ...

3593

Paint And Body

VIDEOS: Installing Bumper Fillers Into Your G-body Regal

Rick Seitz

December 7, 2014

Spoolfool gives us some tips on how to install bumper fillers in an '84-87 Buick Regal, as well as provide some insight on his own brand of fillers.

4956

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 ...

38459

Engine Tech

Why Upgrade the Trunnions on Your LS Rocker Arms?

Patrick Hill

December 2, 2014

We iron out weaknesses in the LS3 rocker arm with the help of a COMP Cams trunnion upgrade.

21926

Engine Tech

VIDEO: COMP Cams Takes Us Back to Basics with Pushrods

Rick Seitz

December 1, 2014

On behalf of COMP Cams, Richard Holdener walks us through measuring pushrod length in an LS3 engine at Westech Performance.

3590

Induction

Catch Your Breath: Installing an AIRAID Cold-Air Kit into a ...

Kevin DiOssi

November 29, 2014

We experience out-of-this-world gains out of a C5, from one of AIRAID's most recent cold-air induction packages.

11064

Engine Tech

VIDEO: Installing a ProCharger Into an LT1 F-body

Rick Seitz

November 27, 2014

Andy's Auto Sport installs a ProCharger into an LT1 F-body. We thought it was a perfect way to give you a combination of "old-school tech" in a more modern format than what you're used to.

5337

Engine Tech

Project Sleeper Status: Part 2

Justin Fivella

November 26, 2014

We’ve paired with the W-body gurus at ZZPerformance in the hopes of creating an 11-second sleeper out of our 152,000-mile 2000 Buick Regal GS without breaking the bank.

11300

Blue Magic

TECH: Upgrading a 5.3-Liter Silverado with Pertronix

Rick Seitz

November 21, 2014

Completely overshadowed by the Camaro and Corvette crowd, and seemingly playing second-fiddle to the diesel truck contingent, petrol performance trucks are in a league of their own. Good thing our friends at JBA were there ...

8405

Engine Tech

SEMA 2014: Livernois VVT Cam-Timing Control System

Rick Seitz

November 20, 2014

Designed for a number of engines, including the L99 5th-Gen Camaro, C7 Corvette and 2014+ full-size GM truck, it makes degreeing the camshaft for your VVT V8 GM a lot easier.

3202

Drivetrain

SEMA 2014: McLeod’s Muscle Car 5-Speed Gearbox

Rick Seitz

November 17, 2014

With the recent trend moving towards autocross and pro-touring classic musclecars these days, McLeod is now offering up the Muscle Car 5 manual transmission for such applications.

5062

New Products

SEMA 2014: Hotchkis Suspension Announces their C7 Sway Bar Kit

Rick Seitz

November 8, 2014

As if you couldn't already take a well-handling car and make it considerably better, Hotchkis Suspension has announced that they'll be offering front and rear sway bar kits for the 2014-2015 C7 Corvette!

3666

« 1 … 4 5 6 7 »