I have a 2013 2500 with the G56 and it has the follow mods below.
Air Dog Lift Pump
ARP Head Studs
Banks Monster RAM
60% over Exergy Injectors
RaceME Ultra Tuning
S&B cold air, and some other small things
It runs really rough with lots of white smoke at first start up no matter what temperature outside then clears up after two or three minutes.
While driving anything under 1500rpm the truck misfires pretty severely.
It has been running some what poorly for a couple months now but I just assumed it was because it never got warmer than -10 and three days ago it got much worse than it had been but it’s been in the 50s and 60s for the last week any suggestions would be greatly appreciated.
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