Rick Seitz is the owner and founder of GMEFI Magazine, and has a true love and passion for all vehicles. When he isn’t tuning, testing, or competing with the brand’s current crop of project vehicles, he’s busy tinkering and planning the next modifications for his own cars.
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 ...
Go ahead and add another ATS performance modification to list, because our friends at CORSA Performance just announced their Cadillac ATS 2.0L exhaust system!
Following on the heels of the SSR vs. '70 El Camino SS 454, Davin and Matt of Hagerty compare a 1970 Oldsmobile station wagon against a 2-year old Ferrari FF.
Today Hawks Third Generation just announced their reproduction GTA wheels - not in the typical 16x8 replacement size, but in a taller, wider, 17x9-inch diameter!
The Holley EFI Digital Dash is completely customizable with a variety of gauge and indicator screens that can be programmed to display any parameter you need.
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.
Recently, one of PCM of NC's newest customers brought his bone stock Trailblazer SS to their shop. After a 326 rwhp and 338 lb-ft. baseline pull was made on PCM's in-house Dynojet, the owner was ...
"Rated at an estimated 455 horsepower (339 kW) and 445 lb-ft of torque (603 Nm), the engine is the segment's highest-output six-cylinder and enables 0-60 performance in 3.9 seconds and a top speed of more ...
Largely making a name for themselves in the autocross and road racing scene all over the world, in various types of vehicles, Whiteline prides themselves on manufacturing high-quality suspension hardware that provides the perfect balance ...
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.
After the demise of the Camaro/Firebird, and the rehiring of Bob Lutz, there became a sudden urge to keep excitement flowing through the dealerships, sales numbers up, and their factories operating.
If its one thing LS engine enthusiasts need when building a large-displacement or a boosted LS engine, it's an efficient an unrestrictive intake charge. More airflow means more potential for more power.
Having built a 2000 Camaro SS powered by a naturally-aspirated 440ci. LSX to compete in the all-motor class of the series, this Camaro has become legendary to those who have followed the series since the ...
Looking for a bit more power and overall performance for your Chevy SS sedan? Then take a moment to check out the new range of tuning software from DiabloSport! You can pick up over 20hp ...
While at SEMA 2014, Spectre's Mike Morrow told us about their latest creation, a simple but effective cold-air induction system (PN 9017) for the Chevy SS.
Our friends over at Livernois Motorsports & Engineering brought a selection of goodies for the brand new small-block Chevy to SEMA, including their brand new LT1 DOD Delete Package.
Midway through the product size range, the EFR-7163 turbocharger delivers the compact packaging and response of a small turbocharger as well as the greater flow capacity of a large turbocharger.
The 2016 ATS-V can't get here soon enough, and thanks to a recent article we've ran over a week ago showcasing spy photos of the car in question, we're really itching to get our hands ...
Chevrolet Performance unveiled a trio of crate engines at this year’s SEMA Show, and they range from the drag-intended DR525, to the sport compact enthusiast’s wet dream, the LTG 2.0-liter turbocharged four. If you’re an ...
We caught up to the car's owner, Ryan Graham, at the 2014 SEMA show, and learned that he has a lot more planned for his car. He also shared that ZZP will be releasing tons ...
In the last four weeks GM EFI has been live, we’ve been getting a ton of great feedback from our readers, Facebook fans, Instagram followers, and Tweeters from all over the globe.
You know how we dig late-model, turbocharged GM 4-bangers around here, and we love sleeper cars just as much. Combine them together, and you could end up with one potent package that nobody would see ...
