Quote Originally Posted by RamIt View Post
It’s been an issue since the RaceMe Ultra was the tuner of choice. I had an Ultra with Rays tunes. Horrible surging on the 60hp tune. Truck was majorly over fueling and it was maxing the rail out.

Never had an issue again once I went to the 120.
@DRD can you speak to the surging issue on the lower hp tunes more in depth?
I have no idea because we don't have a surging issue with our tunes at this time.

I know the RaceME Ultra had issues with turbo surging and rail pressure hangups in the past.

Can't speak for the latest box tuning.

Ray,
Double R Diesel