5 Star Custom Tune for Any Device (1998 - 2005 Ford E-Series 4.2L Class C Motorhome)
Why Tune Your Motorhome?
From the factory, your Ford E-Series computer is designed for the average driver, leaving valuable horsepower and torque untapped. A 5 Star Custom Tune unlocks your RVs hidden performance by recalibrating the PCM for more horsepower, torque, quicker throttle response, improved shift points, and better overall efficiencytransforming your Class C motorhome into a stronger, smoother driving machine.
The 5 Star Tuning Difference
As leaders in Ford and GM performance tuning, we deliver custom-tailored calibrations designed specifically for your needs. Whether you want better towing power, more torque for hills, support for future modifications, or improved daily drivability, our tunes deliver the perfect balance of performance and reliability.
Dyno & Real-World Tested
Every 5 Star tune is dyno-developed, refined, street-tested, and tow-tested on our own vehicles across the U.S. With more than one million test miles logged, our engineers ensure your tune performs under real-world driving conditions.
Free Tunes for Life
With our Tunes for Life program, youll receive free tune updates for as long as you own your motorhome. When you install a new performance part, well recalibrate your tune at no charge, so your RV continues to run at peak efficiency and power. Call 1-855-827-7223 for full details.
Stronger Performance You Can Feel
A 5 Star Custom Tune dramatically improves horsepower, torque, throttle response, efficiency, and smoothness. It eliminates sluggish throttle, sloppy shifts, and restrictive factory speed limitersgiving you a motorhome thats far more enjoyable to drive.
How We Unlock Power
We optimize your 4.2L E-Series performance by adjusting fuel tables, drive-by-wire throttle mapping, ignition timing, torque converter strategies, shift schedules, and shift pressures. The result is a confident, reliable, and more powerful driving experience.
Fitment:
- 1998 Ford E-Series 4.2L Class C Motorhome
- 1999 Ford E-Series 4.2L Class C Motorhome
- 2000 Ford E-Series 4.2L Class C Motorhome
- 2001 Ford E-Series 4.2L Class C Motorhome
- 2002 Ford E-Series 4.2L Class C Motorhome
- 2003 Ford E-Series 4.2L Class C Motorhome
- 2004 Ford E-Series 4.2L Class C Motorhome
- 2005 Ford E-Series 4.2L Class C Motorhome
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
