VIDEO: The “UnderpressureWS6” is a Subtle Sledgehammer
Bored, blown and built, the "Underpressure WS6" gives us a peak of its true potential.
VIDEO: TCI Automotive’s Auto-X 4L60E Transmission Package
Our friends at TCI Automotive have announced at SEMA 2014 their latest accomplishment; the Auto-X GM LS 4L60E Transmission Package - paddle shifters included!
We Pick our Top Ten Favorite Products for 4th-Gens from ...
We pick our top ten favorite components from 6LE Designs for the fourth-generation F-body! See them all here!
Car Feature: A Monster in Wolf’s Clothing
"Watching the WS6 pull into the burnout box reinforced my first impression, it seemed very stock. Only when the driver began his burnout did it start to reveal more of what was hiding within..."
Charging Forward: The Shortlist
Editor Rick Seitz narrows down his Top Five factory-produced, GM EFI-era vehicles of all time.
GTOG8TA.com Announces G8 Arrowheads
Recently, GTOG8TA.com announced reproduction Pontiac arrowhead emblems for the 2008-2009 G8 sport sedan, providing an OEM-quality look for those with missing, faded or tarnished emblems.
Reader’s Rides: December 2014 Edition
We compile four interesting (and most unusual) cars for the December 2014 installment of GM EFI Magazine's Reader's Rides!
VIDEO: Bolt-On ZR1 vs Sketchy TA vs Boosted Z28
Three badass LSx-powered monsters face off in an undisclosed location for a head-to-head battle for supremacy. See who comes out on top!
UMI Performance K-Member for ’93-02 F-bodies
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.
Barrett-Jackson: Schwartz Performance Trans Am Up For Grabs
Schwartz Performance has been known to build some truly amazing machinery, including this twin-turbo '81 Trans Am featuring a 415 cubic inch LS9!
VIDEO: Win the K.I.T.T. T/A from Gas Monkey Garage
Wanna win this replica K.I.T.T. Trans Am from the recent Gas Monkey episode? Click here for all the details!
GM EFI Visits Vengeance Racing
We've recently visited Vengeance Racing for a tour of owner, Ron Mowen's, shop in Cumming, Georgia. After all, we had to get a closer look at where some of the fastest standing-mile cars come from.
VIDEO: Installing a ProCharger Into an LT1 F-body
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.
VIDEO: A Look at SLP Tuner Cars – Circa, 2001
We've always had a huge amount of respect for the cars that Street Legal Performance (SLP) had tuned back in the day. Taking already potent performance machines from General Motors, and making them into rare ...
LT1 F-body Junction Box Now Available Through Hawks
Hawks Third Generation now offer a replacement for the fragile junction box under the hood of your 1993-1997 LT1-equipped Camaro or Firebird.
VIDEO: 2014 Holley LS Fest Overview
The 2014 Holley LS Fest was such an action-packed event that it had us running in all directions. Everything from drifting GTOs to 9-second CTS-Vs were in attendance, and just about everything we've seen had ...
VIDEO: Generation Gap – 1968 Firebird vs 2010 LTA
In this story of new vs old, Hagerty's Davin and Matt compare a pair of Firebirds; a classic '68 Firebird 350 against Lingenfelter's LTA concept car from a few years ago. Who wins? Watch the ...
Event Coverage: 2014 Holley LS Fest
During the weekend of September 5-7, we visited Bowling Green, Kentucky for the 2014 edition of the 'Fest. It was the fifth annual event held at Beech Bend Raceway, and if you're a fan of ...