Ryan Steele

Transmission Specialist

  • 4L60E
  • 4L80E
  • 700R4
  • 200-4R
  • Ford AOD
  • Ford 4R70W
  • Mopar 727
  • Mopar 904
  • shift kits and controllers
  • install troubleshooting

Ryan Steele is a transmission specialist at Gearstar Performance Transmissions in Akron, Ohio. He works with customers on spec'ing GM, Ford and Mopar automatics to their combination, and writes the install instructions, build-level breakdowns and troubleshooting guides on this blog.

GM 4L70E Transmissions

Ryan Steele 6 minute read

Like most AODs at the time, GM 4L70E transmissions were designed with lightened materials to support better fuel efficiency, 4 speeds, and...

HGM CompuShift CSII Controller

Ryan Steele 1 minute read

COMPUSHIFT II is the latest generation transmission control system from HGM Automotive Electronics, Inc. COMPUSHIFT II operates automatic shifting, paddle...

Ford AOD Transmission Installation Instructions

Ryan Steele 5 minute read

PLEASE FEEL FREE TO CALL US ON OUR TECH LINE AT (330) 434-2757 BETWEEN 8:00 AM AND 5:00 PM EST IF YOU HAVE ANY QUESTIONS. Please read instructions...

Mopar NAG1 Transmission Installation Instructions

Mopar NAG1 Transmission Installation Instructions

Ryan Steele 6 minute read

PLEASE FEEL FREE TO CALL US ON OUR TECH LINE AT (330) 434-2757 BETWEEN 8:00 AM AND 5:00 PM EST IF YOU HAVE ANY QUESTIONS. Please read instructions...

Ford 4R70W and 4R75W Installation Instructions

Ryan Steele 4 minute read

PLEASE FEEL FREE TO CALL US ON OUR TECH LINE AT (330) 434-2757 BETWEEN 8:00 AM AND 5:00 PM EST IF YOU HAVE ANY QUESTIONS. Please read instructions...

The ABCs of a 4 Speed Automatic Transmission

The ABCs of a 4 Speed Automatic Transmission

Ryan Steele 10 minute read

A transmission exists because an engine only makes useful power inside a narrow RPM band, and a car needs to move from a stop to highway speed. The...

E40D Transmission Swap – Hot Rod Hauler

Ryan Steele 1 minute read

Check out this E40D transmission swap on this 1973 Ford f350. Read more only at www.customclassictrucks.com, the official website for Custom Classic Trucks...

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