I did the cold weather update and it did make a noticeable improvement. All my injectors were firing within a couple of seconds on the coldest day. I thought the update drained the injectors at engine turnoff? Anyway, it didn't make the kind of difference it sounds like you need.
Just turned 14,000 on my Amsoil 15-40 w/ Ea088 filter. I also see it is not currently available. Sent Tech Support an email. My understanding was the filter was manufactured a little bit too short. Oil drains out of filter/housing and back into pan. On startup, I notice about a 1 to 2 second...
A Big Hello to all the SDD Members out there! I bought an 03 new and have had surprisingly good luck with it. No mods yet but thinking about it. Lost the ICP at 135K. Work truck. Look forward to being part of the community.