no it idles rougher when warm. i took it up the dually, idling fine at the roundabout then 10 mins in traffic it started doing it.
blast back up the dually the other way, get to another roundabout and idled fine.
whipped the plugs out, they look like this
blast back up the dually the other way, get to another roundabout and idled fine.
whipped the plugs out, they look like this