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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

WHIPPLE 3.0L INVERTED – LIKE AN LSA, BUT A LOT ...

Rick Seitz
October 10, 2026
Official Release: WHIPPLE 3.0L INVERTED – LIKE AN LSA, BUT A LOT MORE! Many people gravitate toward “inverted” superchargers. GM’s LSA is probably the best-known example. As the name implies, inverted superchargers position the rotors ...
18
Read more
New Products

VIDEO: IROC Motorsports Releases Honeycomb Taillights for ’98-02 Firebird

Rick Seitz
October 10, 2026
Reproduction 4th-Gen Firebird taillights now online at IROC Motorsports!
20
Read more
Industry News

GM’s 6th-Generation Small-Block V8 Takes What LS and LT Started ...

Rick Seitz
September 28, 2026
The next chapter of Small-Block Performance is here.
78
Read more
Features

The Ultimate Show and GO — Tahoe High Country and ...

Rick Seitz
September 8, 2026
You can WIN both of these black and beautiful beasts with Dream Giveaway -- but HURRY!
111
Read more
Dyno

VIDEO: Florida High Performance Announces Their C8 Corvette Grand Sport ...

Rick Seitz
August 18, 2026
Florida High Performance adds a C8 Grand Sport to their development fleet. We can't wait what's to come.
221
Read more
New Products

PROFORM ULTRA-PERFORMANCE BRUSHLESS FANS: MAXIMIZED AIRFLOW. INTELLIGENT POWER

Rick Seitz
July 24, 2026
Official Release:  PROFORM ULTRA-PERFORMANCE BRUSHLESS FANS: MAXIMIZED AIRFLOW. INTELLIGENT POWER. NEW! 10, 12, and 14 inch Pusher & Puller Brushless Fans Models WARREN, MI — PROFORM announces new Ultra-Performance Brushless Fans featuring 10, 12, and 14-inch ...
242
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Features

Enter to WIN a 2026 CT5-V Blackwing — AND the ...

Rick Seitz
July 23, 2026
Park the ultimate high performance daily driver in your garage!
203
Read more
Dyno

VIDEO: Revolution Streetcars RUN READY™ LSA Supercharged Crate Engine

Rick Seitz
July 13, 2026
Revolution Streetcars RUN READY™ LSA Supercharged Crate Engine Available Now – Dyno Tested, Broken In & Ready to Install
299
Read more
Dyno

VIDEOS: Florida High Performance Builds a Pair of Boosted Cadillacs

Rick Seitz
May 7, 2026
Florida High Performance takes two V-Series Cadillacs to the next level.
400
Read more
Features

VIDEO: Florida High Performance Cranks Up a 5G ZL1

Rick Seitz
May 5, 2026
Nearly 1000hp to the tires isn't anything to ignore...
336
Read more
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.
395
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.
396
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!
388
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.
447
Read more
Features

Enter to WIN the Dream Giveaway 2026 Escalade-V

Rick Seitz
January 28, 2026
Enter for your change to win the ultimate GM performance SUV!
541
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.
640
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?
824
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.
612
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!
482
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!
700
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.
991
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!
707
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 ...
657
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Engine Tech

VIDEO: SDPC 350 Supercharged COPO Engine Build

Rick Seitz
August 12, 2025
Found out the horsepower numbers inside...
811
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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.
669
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.
904
Read more
New Products

FiTech Ultimate Rebel LS EFI Systems

Rick Seitz
June 9, 2025
FiTech Rebel EFI for LS engines.
715
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.
787
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.
821
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!
789
Read more
1 2 3 … 36 »

VIDEOS

Dyno

VIDEO: Florida High Performance Announces Their C8 Corvette Grand Sport ...

Rick Seitz
August 18, 2026
Florida High Performance adds a C8 Grand Sport to their development fleet. We can't wait what's to come.
221
Read more

VIDEO: Revolution Streetcars RUN READY™ LSA Supercharged Crate Engine

Rick Seitz
July 13, 2026

VIDEOS: Florida High Performance Builds a Pair of Boosted Cadillacs

Rick Seitz
May 7, 2026

VIDEO: Florida High Performance Cranks Up a 5G ZL1

Rick Seitz
May 5, 2026

VIDEO: Spoolfool Spotlights Their Carbon Fiber F-body Fenderwells

Rick Seitz
April 11, 2026

SPOOLFOOLXAD
  • Latest Posts

  • WHIPPLE 3.0L INVERTED – LIKE AN LSA, BUT A LOT ...

    Rick Seitz
    18
  • VIDEO: IROC Motorsports Releases Honeycomb Taillights for ’98-02 Firebird

    Rick Seitz
    20
  • GM’s 6th-Generation Small-Block V8 Takes What LS and LT Started ...

    Rick Seitz
    78
  • WIN A C7 Corvette Grand Sport from Dream Giveaway!

    GM EFI
    66

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