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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

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

Rick Seitz
April 21, 2026
Revolution Streetcars not only builds road-going, soup-to-nuts, LS- and LT-swapped muscle cars and hot rods.
11
Read more
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.
32
Read more
Features

Dream Giveaway Announces Two Camaros — for ONE Ticket!

Rick Seitz
March 30, 2026
Enter to win TWO iconic Camaros with one ticket!
61
Read more
Features

VIDEO: Florida High Performance Showcases a TRX Killer

Rick Seitz
March 23, 2026
FLHP taking the ZR2 Silverado to the level that GM should have, in the first place.
102
Read more
Features

Rick Seitz
January 28, 2026
Enter for your change to win the ultimate GM performance SUV!
168
Read more
New Products

Ohio Speed Shops Announces Reliable LS Deluxe Crate Engine Packages ...

Rick Seitz
November 20, 2025
Ohio Speed Shops now offering these sleek-looking LS3 crate engine packages of multi level of performance.
333
Read more
Dyno

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

Rick Seitz
November 15, 2025
Magnuson or ProCharger, which one is right for your C8?
447
Read more
New Products

Dakota Digital Announces RTX Instruments 1997- 02 Camaro

Rick Seitz
October 13, 2025
Lend your 4th-gen Camaro a modern tech of tech, with these RTX instruments from Dakota Digital.
349
Read more
Features

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

Rick Seitz
November 10, 2025
Making a C7 GS much more reliable with FLHP's help!
263
Read more
Features

WIN BOTH Supercharged Chevys From Dream Giveaway

Rick Seitz
September 4, 2025
WIN both vehicles and $38k to cover the taxes from Dream Giveaway!
438
Read more
Engine Tech

How to Build a Syclone or a Typhoon with the ...

Rick Seitz
September 2, 2025
Picking out the right parts for the well-balanced Syclone or Typhoon.
522
Read more
Features

VIDEO: FLHP Unlocks Killer Horsepower Gains with Port Injection

Rick Seitz
August 13, 2025
Port injection for your LT4 Camaro, from Florida High Performance!
447
Read more
Car Reviews

VIDEO: Hagerty Delves Deep into the C8 Corvette ZR1

Rick Seitz
August 13, 2025
We’ve been following along with Hagerty’s booming Youtube channel for the last couple of years, with them spotlighting the hottest performance car and some of the most desirable classics. Their unique standard of quality and ...
436
Read more
Engine Tech

VIDEO: SDPC 350 Supercharged COPO Engine Build

Rick Seitz
August 12, 2025
Found out the horsepower numbers inside...
475
Read more
Features

VIDEO: Florida High Performance Builds a 1000+ RWHP Hellcat Killer!

Rick Seitz
August 5, 2025
FLHP targets those pesky boosted Mopars with the right recipe of parts, with a ZL1 1LE.
444
Read more
New Products

Powermaster Starter Options for Your LS-Powered Project

Rick Seitz
July 15, 2025
Picking the right Powermaster alternator for your LS-powered project car.
479
Read more
New Products

FiTech Ultimate Rebel LS EFI Systems

Rick Seitz
June 9, 2025
FiTech Rebel EFI for LS engines.
459
Read more
Engine Tech

VIDEO: Florida High Performance Taking Punk’n to the Next Level

Rick Seitz
May 23, 2025
Round Two of LT4 supercharger lid test from Florida High Performance.
518
Read more
New Products

Build a 350 Cubic-Inch LS Stroker with Scat

Rick Seitz
April 22, 2025
You can finally have a 5.3L-based 350 cubic-inch engine, from Scat.
557
Read more
New Products

HOLLEY ANNOUNCES NOS OCTANE BOOSTER 

Rick Seitz
April 8, 2025
Boost the octane of your fuel on demand with NOS Octane Booster!
531
Read more
Features

Take Five: Sitting Down With Tom Mandrov of Sportmachines

Rick Seitz
April 5, 2025
photos by: Sportmachines A Quick Sitdown with Tom Mandrov of Sportmachines If you’re the owner of a GMC Syclone, Typhoon, or a Sonoma GT, then you’re probably very familiar with Sportmachines; a small business focused ...
524
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New Products

Baer Brakes Announces Baer Spray Brake Parts Cleaner

Rick Seitz
March 31, 2025
Clean up those brake parts with the help of Holley's Baer Spray.
522
Read more
Car Reviews

VIDEO: Jay Leno Digs In On the CTS-V1

Rick Seitz
March 25, 2025
Jay Leno reviews a 2007 CTS-V.
593
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New Products

VIDEO: LS Swap With a Classic Look — Holley RetroFilter

Rick Seitz
March 28, 2025
Classic looks with modern functionality.
572
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Features

Take Five: An Interview With Tyler McCormack of Reversion Raceworks

Rick Seitz
March 18, 2025
We sit down with Reversion Raceworks' Owner and Founder, Tyler McCormack, to get a deeper understanding as to what they do, and how they do it.
582
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Features

VIDEO: 800hp 6th-Gen Camaro ZL1 Built by FLHP

Rick Seitz
March 16, 2025
A ZL1 picks up 260hp and 205 lb-ft of torque to the rear tires, with the help of FLHP!
563
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Features

VIDEO: Trans Am Worldwide Unveils the 70/SS Hardtop Convertible

Rick Seitz
February 11, 2025
The Chevelle is back, but only with the help of Trans Am Worldwide.
583
Read more
New Products

Bring Your GEN-V LT to the Next Level with COMP ...

Rick Seitz
January 15, 2025
Stop the Deflection and Restore Lost Valve Lift with a COMP Cams Max-Lift BSR Shaft Rocker System for GM Gen V LT Engines.
584
Read more
Features

VIDEO: Reversion Raceworks Digs Into a C4 Corvette

Rick Seitz
January 2, 2025
Reversion Raceworks pops open their long tucked-away C4 Corvette for R&D purposes.
656
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Features

VIDEO: FLHP C8 Z06 Makes Some Seriously Unexpected HP Gains

Rick Seitz
December 31, 2024
Bolt-ons on a C8Z. What are they worth?
544
Read more
1 2 3 … 36 »

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.
32
Read more

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
    11
  • VIDEO: Spoolfool Spotlights Their Carbon Fiber F-body Fenderwells

    Rick Seitz
    32
  • Hot Shot’s Secret Introduces Green Diamond Ultra-Low Viscosity Automatic Transmission ...

    GM EFI
    64
  • Dream Giveaway Announces Two Camaros — for ONE Ticket!

    Rick Seitz
    61

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