I am a new customer to this web site and going though the workhorse 8.1 section I notice this ultra power GM custom tuning and was wondering if it should help the performance of my rv and fuel mileage. How does it work? Thanks joe ( Joe Alcantar, 07/09/2016 )

Hi Joe,

The UltraPower Custom Tuning is one of our most popular performance products for the 8.1L. It is a new engine computer that is programmed with your vehicle info and settings that optimize the power and mileage. We see gains of about 60 horsepower and 70 ft-lbs torque as well as fuel mileage gains between .5-1 MPG.

Is the core charge a full refund once I send my ecm back to you? Can't afford to lose the truck to long if I send the one currently in the truck for reprogramming.

2007 Chevy C4500 Kodiak
- Bucket truck
Thanks Mike ( Mike konke, 05/21/2016 )

Mike,

Yes the core charge is fully refunded upon the return of your ECM.

Is there reprograming required, or is it just a plug and play add on device

( Mel, 01/28/2016 )

Mel,

It is a programming of the engine computer so either you would remove your computer and send it in for the reprogram or you pay for the core and we send you a computer and you just swap out the computers, essentially making it plug & play.

I have a Workhorse R-26 Chassis, rear pusher with an Allison transmission. Is the Ultra Power compatible with this setup, and where might the computer be located. Also does this device plug into the computer, or is the computer replaced. Is there any programing required?

( Mel, 01/27/2016 )

Hi Mel,

Yes, the UltraPower is compatible with the R26 UFO chassis. The ECM will be located at the rear of the coach on the drivers side in a compartment right behind the rear wheel behind a removable panel.

I'm considering the Ultra Power upgrade on my my 2006 Southwind W22 which is a California vehicle. Would the programing have any impact on California DMV smog checks? Thanks, Chris

( Chris, 12/10/2015 )

Chris,

We are 100% confident that you will have no problems with passing your smog testing with the UltraPower programming. We have a ton of customers in California that run the programming and we've never once had a report of smog failure due to the programming. In fact, in most cases the emissions are actually reduced and they pass with better than normal readings.