GM EFI 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.

Car Reviews

VIDEO: Fasterproms Puts a CT5-V Blackwing on the Dyno

Rick Seitz

September 9, 2021

Jeremy and the folks at Fasterproms strap a 2022 CT5-V to the dyno for the first time!

New Products

RHS Pro Elite LS3 Cylinder Heads: Big Airflow for Your ...

Rick Seitz

August 17, 2021

Summit Racing now stocking RHS Pro-Elite Series LS3 cylinder heads.

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New Products

VIDEO: Performance Design pTR Carbon Intake Manifold for C8

Rick Seitz

August 17, 2021

Lingenfelter Performance Engineering releases a carbon intake for C8 Corvette.

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Features

CHEVROLET COPO CAMARO BRINGS BACK THE BIG BLOCK FOR 2022

Rick Seitz

August 2, 2021

The COPO Camaro returns to the drag strip and its roots with a 572-cubic-inch Big Block V-8.

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Features

VIDEO: LS4 King Preps the New Monte Carlo Shop Car ...

Rick Seitz

July 29, 2021

LS4King takes a Dale Jr. Edition Monte Carlo to a place nobody dares.

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Features

VIDEO: LOD Performance’s Aluminum LS3 X1 Intake Manifold

Rick Seitz

July 28, 2021

L.O.D Performance is throwing their hat into the ring for the title of the "Ultimate" LS3 intake manifold. We take a closer look...

New Products

Holley Announces LS7 Wet Sump Conversion Dipstick Drill Jig

Rick Seitz

July 20, 2021

Holley has developed an easy guide to help locate the bit during the drilling process.

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Cooling System

VIDEO: Vintage Air Explains How Air Conditioning Works In A ...

Rick Seitz

July 14, 2021

Vintage Air explains to us how an air conditioning system works.

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Features

VIDEO: AmericanTrucks Reveals Top 5 Easy Mods For 2019+ Silverado

Rick Seitz

July 14, 2021

Selecting the Top Five Mods for your 2019+ Silverado (and Sierra).

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New Products

Brian Tooley Racing Adds Pistons To Thier Product Lineup

Rick Seitz

July 8, 2021

Brian Tooley Racing teams up with Wieco to offer high-performance slugs for your LS!

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New Products

Summit Racing Professional Tool Chest and Cabinet Combos

Rick Seitz

June 14, 2021

Summit Racing makes life easier to organize with their line of tool boxes. Learn more...

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Drag Racing

VIDEO: 600+ HP GTA vs. Ferrari 488 Pista

Rick Seitz

May 28, 2021

A GTA takes on the latest supercar from Ferrari.

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New Products

VIDEO: Holley BlackHeart Announces a 304SS Cat-Back Exhaust System For ...

Rick Seitz

April 29, 2021

Holley brings a lightweight, high-quality catback for C8 Corvette.

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Features

VIDEO: AmericanTrucks’ New Video Fuels Future Truck Mods

Rick Seitz

April 14, 2021

AmericanTrucks spotlights one of their customer's builds, a 2010 Silverado with some simple but effective upgrades.

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Features

VIDEO: Lokar Releases Their Brand New AxiShifter for Most Popular ...

Rick Seitz

April 14, 2021

Lokar announces a brand new shifter, the AxiShifter for most popular manual gearboxes.

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Features

Corvette Dream Giveaway for 2021 Takes it to the Next ...

Rick Seitz

March 18, 2021

You can enter to win these two amazing Corvettes from Dream Giveaway, now!

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New Products

Wilwood Announces Road Race Brake Kits for C5 Corvette

Rick Seitz

December 7, 2020

Make your C5 Corvette more competitive in the corners with the help of Wilwood Brakes.

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Features

VIDEO: Top 5 Easiest Silverado Mods, Courtesy of AmericanTrucks

Rick Seitz

December 4, 2020

Official Release: Top 5 Easiest Silverado Mods | AmericanTrucks New Episode of “The Haul” Targets 2014-2018 Chevy Silverado Owners PAOLI, Pa. – E-commerce aftermarket parts retailer, AmericanTrucks (AT) rolls out another episode of “The Haul” ...

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New Products

American Powertrain Announces New TREMEC TKX 5-Speed Transmission

Rick Seitz

November 9, 2020

American Powertrain and TREMEC now offering the brand new TKX 5-speed transmission.

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New Products

Summit Racing Announces Replacement Turbochargers for OE GM Vehicles

Rick Seitz

November 4, 2020

Summit Racing expands its line of OE turbochargers for late-model GM vehicles.

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New Products

Remove Rust From Your Aging Steel Gas Tank with KBS

Rick Seitz

November 2, 2020

KBS Coatings announces their own Fuel Tank Sealer Kit for rusty steel gas tanks.

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Vehicle Spotlights

VIDEO: AmericanTrucks Spotlights a Modified 2010 Silverado

Rick Seitz

October 20, 2020

AmericanTrucks spotlights a customer's 2010 Silverado.

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Features

Earn 5% Off Of Your Next IROC Motorsports Purchase With ...

Rick Seitz

October 20, 2020

You can save 5% on all of your favorite IROC Motorsports products, only from GMEFI Magazine!

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New Products

Kooks Super Street headers & Ultra-GREEN OEM connection pipes now ...

Rick Seitz

October 9, 2020

Kooks Headers and Exhaust have launched headers for the C8 Corvette to pave the way for big power.

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Features

VIDEO: WIN a CTS-V Championship Edition from Dream Giveaway

Rick Seitz

October 2, 2020

AutoCentric Media announces the CTS-V Championship Edition Dream Giveaway.

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New Products

Lingenfelter Ported LT5 95 mm Throttle Body for GM Gen ...

Rick Seitz

September 29, 2020

Lingenfelter announces a high-flowing throttle body for LT5.

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Features

Win 100% Off Coupon Courtesy of Barricade Off-Road from American ...

Rick Seitz

September 24, 2020

Official Release: Win 100% Off Coupon Courtesy of Barricade Off-Road AmericanTrucks’ Newest Sweeps | Enter Daily Until 10/24/2020 PAOLI, Pa. – Sponsored by Barricade Off-Road, AmericanTrucks’ (AT) newest sweepstakes offers the opportunity to win an ...

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New Products