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  • About GMEFI Magazine

Rick Seitz

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.

Features

VIDEO: Trans Am Worldwide Builds a 1500RWHP 70/SS

Rick Seitz
April 17, 2024
1500hp -- to the rear tires!
803
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Features

VIDEO: Doing a Leakdown Test on a 1300hp LS Engine

Rick Seitz
April 4, 2024
Performing a leak-down test on a boosted 1300+ horsepower LS engine!
728
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Features

VIDEO: Quick Update on the Reversion Raceworks Suburban

Rick Seitz
April 2, 2024
Reversion Raceworks brings their Suburban's lighting fixtures into the new millennium!
650
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New Products

VIDEO: Keep Your LS-Series PCV System Working Properly With A ...

Rick Seitz
March 27, 2024
Upgrade your oiling system for your LS series engine with the PCV fittings from Earl's and Holley Performance.
968
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Features

VIDEO: Total Seal – Is Break-In Oil Legit?

Rick Seitz
March 26, 2024
Our friends at Total Seal break down the differences, and the needs, and the results of break-in engine oil.
788
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Features

VIDEO: Wrapping Up the Killer Mike Buick GN with Hemmings

Rick Seitz
March 26, 2024
The final two chapter of The Killer Mike "Grind Nationa"l build.
762
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Chevrolet

VIDEO: 900RWHP ZL1 with a Magnuson 2650R From FLHP

Rick Seitz
March 15, 2024
If there’s anything we can say about the 6th-Gen ZL1 Camaro, is the capability to produce superior horsepower with relatively minimal effort. The fact that it’s a factory supercharged car makes the car’s levels of ...
911
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Paint And Body

Project Phoenix: Getting the Carbon Treatment with Anderson Composites

Rick Seitz
May 29, 2024
Our 2002 WS6 gets a carbon fiber hood from Anderson Composites.
916
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Features

VIDEO: Engine Builder Hall of Fame Spotlights John Lingenfelter

Rick Seitz
March 14, 2024
What John Lingenfelter was really about.
914
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New Products

PCM of NC Announces LS/LT Water Pump, Exhaust, and Throttle ...

Rick Seitz
March 13, 2024
Announcing PCM of NC's latest LS and LT products.
750
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Features

VIDEO: Killer Mike Checks On the Progress of HIs Grand ...

Rick Seitz
March 11, 2024
Turning the attention to the fuel system and the suspension.
836
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Features

Ohio Speed Shops Teams Up With Gearstar Performance to Offer ...

Rick Seitz
March 14, 2024
Marrying a potent LS3 engine with a Gearstar Performance Transmission just makes sense.
840
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Features

VIDEO: Rocket Racing Pro-Touring Flare Wheels for Modern and Classic ...

Rick Seitz
March 8, 2024
Rocket Racing wheels for your modern or classic muscle car, give you the perfect look in various sizes.
881
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Features

VIDEO: Killer MIke’s Grand National Gets Additional Details

Rick Seitz
March 1, 2024
Throwing in some additional details into Killer Mike's Grand National.
814
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Features

VIDEO: Florida High Performance Builds and Track Tests a 6th-Gen ...

Rick Seitz
March 4, 2024
Building and testing a 6th-gen ZL1 for its intended uses, with FLHP.
760
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Features

VIDEO: HOLLEY EFI 6L80/6L90E TRANSMISSION CONTROLLER FOR TERMINATOR X MAX!

Rick Seitz
February 29, 2024
The six-speed 6L80E/90E transmission is quickly becoming the go-to automatic transmission for performance applications. You can chalk it up to an increased production output for trucks and performance cars, and its adaptability is a huge ...
1120
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New Products

Holley Announces RetroFilter Drive By Wire Air Cleaners

Rick Seitz
February 29, 2024
Looking for a throwback style aesthetic for your LS swapped classic? Holley has you covered.
1375
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Paint And Body

VIDEO: Spoolfool Productions Installs a Carbon Fiber Bumper and Aluminum ...

Rick Seitz
February 28, 2024
Save 100-Pounds On G-body Regal with the help of a Spoolfool Productions carbon fiber bumper and a GBodyParts aluminum bumper support.
971
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Features

Reversion Raceworks Dash Mount for 4th-Gen Fbody

Rick Seitz
February 27, 2024
Reversion Raceworks has been getting a lot of digital ink over here, for the last couple of months, thanks to their ongoing Suburban project. But that’s not what they’re all about. Reversion Raceworks is a ...
841
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Features

VIDEO: Reversion Raceworks Starts the OBS Suburban’s Makeover Process

Rick Seitz
February 24, 2024
The aesthetics start to come together on this '99 Suburban being built by Reversion Raceworks.
792
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Features

VIDEO: Killer Mike’s Grand National Gets an LT4 Crate Engine

Rick Seitz
February 23, 2024
Swapping an LT4 into Killer Mike's Grand National.
986
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Features

VIDEO: Reversion Raceworks Takes Their Suburban Suspension To The Next ...

Rick Seitz
February 22, 2024
Upgrading the Reversion Raceworks Suburban with new suspension, and improved aesthetics.
808
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Electrical

Third-Gen Troubles: Repairing Our Visuals in a ’92 Trans Am ...

Rick Seitz
February 22, 2024
Popping the top wide open on this new to us '92 Trans Am.
845
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Features

VIDEO: Hemmings Kicks Off The Killer Mike Build Series

Rick Seitz
February 19, 2024
Killer Mike's Grand National gets a quick makeover, just in time for the Grammy's.
1002
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Features

Hawks Motorsports Announces Parking Lamps for 1991-92 Pontiac Firebird

Rick Seitz
February 16, 2024
Do you own one oft he last third-gen Firebirds, but are desperate for new replacement parking lamps? Hawks has you covered.
791
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Features

VIDEO: Installing RedRock OEM-Stye Fender Flares on 1999-2006 Sierra and ...

Rick Seitz
February 15, 2024
Installing a set of RedRock fender flares into a 1999-2006 GMC Sierra and Chevy Silverado has never been easier.
929
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Features

VIDEO: Tuning a 2009 Silverado with a Bully Dog Handheld ...

Rick Seitz
February 15, 2024
Increase the horsepower, torque, fuel economy, and overall performance of your 1999-2014 Silverado with the help of Bully Dog.
923
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Product Showcase

VIDEO: Bilstein Front Shocks For 2014-18 Chevy Silverado

Rick Seitz
February 15, 2024
Replace those worn-out shocks of your 2014-18 Silverado/Sierra with quality replacements from Bilstein.
839
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Engine Tech

VIDEO: How to Hone an Engine Block with KB Titan ...

Rick Seitz
February 6, 2024
Total Seal Piston Rings teams up with KB Racing Engines to show us how to hone an engine block.
765
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Features

Dream Giveaway Kicks off Another Corvette Twofer for 2024

Rick Seitz
February 2, 2024
Enter to WIN a PAIR of modified Corvettes PLUS the $50k for the taxes.
838
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VIDEOS

New Products

VIDEO: Spoolfool Spotlights Their Carbon Fiber F-body Fenderwells

Rick Seitz
April 11, 2026
Clean up your engine bay, and keep it clean, with the help of these brand new carbon fiber fender wells from Spoolfool Productions.
30
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VIDEO: Florida High Performance Showcases a TRX Killer

Rick Seitz
March 23, 2026

VIDEO: Florida High Performance Compares Magnuson and ProCharger Superchargers on ...

Rick Seitz
November 15, 2025

VIDEO: Florida High Performance Retunes a C7 GS For Better ...

Rick Seitz
November 10, 2025

WIN BOTH Supercharged Chevys From Dream Giveaway

Rick Seitz
September 4, 2025

SPOOLFOOLXAD
  • Latest Posts

  • Revolution Streetcars LS and LT Swap Headers for OBS GM ...

    Rick Seitz
    7
  • VIDEO: Spoolfool Spotlights Their Carbon Fiber F-body Fenderwells

    Rick Seitz
    30
  • Hot Shot’s Secret Introduces Green Diamond Ultra-Low Viscosity Automatic Transmission ...

    GM EFI
    63
  • Dream Giveaway Announces Two Camaros — for ONE Ticket!

    Rick Seitz
    57

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