UltraPower GM / Workhorse 8.1L Custom Tuning (ECM Only)

UltraPower GM / Workhorse 8.1L Custom Tuning (ECM Only)

Upgrade your GM 8.1L Powered RV or truck to unparalleled performance with the UltraPower Custom Tuned ECM! If you're looking for the best in power gains, look no further. Our customers rave about the impressive fuel economy improvements and the reduction in transmission downshifting, all thanks to the significant boost in horsepower and torque that the UltraPower ECM provides. Whether your engine is stock or modified, this ECM delivers exceptional performance.

What truly sets us apart? Unlike other tuners, Banks' handheld AutoMind only tweaks one parameter, while the UltraPower ECM reprograms around 400 parameters—transforming your vehicle from a generic setup into a bespoke powerhouse!

And forget about those one-size-fits-all tunes! Our GM 8.1L Custom Tuned ECM is specifically crafted for your vehicle, using your VIN to access its unique parameters. This way, we create a completely personalized tune just for you. Don't settle for cookie-cutter solutions; let us unlock your vehicle's full potential!

UltraPower 8.1L ECM Benefits:

• Fuel mileage improvement of up to 1 MPG

• Gains of 50-60 Horsepower and Torque Gains of 70-80 lb-ft

• Maintains speed and higher gears when climbing hills

• Improved throttle response coupled with more power makes driving more enjoyable

• Includes a datalogger that you plug into the OBD2 for us to analyze and optimize engine efficiency and performance

Applications:

• 2001-2011 Workhorse Chassis with 8.1L

• 2001-2007 GM Pickup Trucks and SUV’s with 8.1L (May require Passkey and Crankshaft Relearn Procedure)

• 2001-2010 Chevrolet Kodiak and GMC Topkick with 8.1L (Radio may need to be unlocked by GM dealer)

ECM Removal Video (Workhorse Application):