All,
New to the site, just did this mod with the retro kit from Rudy's a couple of weeks ago. Huge difference from the stock turbo, anyone figured out the tuning piece yet? I was getting about 15 to 16 mpg prior to the swap and my first tank with the new turbo shows 12.5mpg running the numbers. Dash computer tells me 13.2 but did not expect it to be accurate. I pull a 42ft 5th wheel and 12.5 would be fine towing but looking for better numbers running back and forth to work. Also getting the wastegate fault on the DTC's, I am assuming I need a custom tune to remove this permanently. Would appreciate thoughts on best tuning option is SCT the best route or something else.
Thanks,
Clint