6.4 owners read first!!!!
welcome to the site.
Best place to start is the library, it will have info like diagnostic codes ect.
[6.4L - Technical Info] - Powerstroke Nation
[6.4L - Aftermarket Performance] - Powerstroke Nation
If you have anything you want to check out in the aftermarket and performance side of the 6.4s check out this forum first.
6.4L Power Stroke - Aftermarket Performance - Powerstroke Nation
If you have technical questions or information post them here, this will pertain to most of the stuff that came factory on your 6.4
6.4L Power Stroke - Technical Info - Powerstroke Nation
also DONT FORGET THE SEARCH FUNCTION!
One of the most used/needed threads to look at is the tuner thread, it is updated from time to time and should have the latest tuner info, we keep the thread open add the latest tunes ect to the forum.
Official 6.4 tuner thread, read first post!!! - Powerstroke Nation
I am also going to add a suspension thread where you can post pictures of your truck, post the lift/lower size of your truck, what size/brand of wheels/ offset/ as well as tire size ect.
2008-2010 suspension/wheel and tire thread - Powerstroke Nation
couple trucks one fast one not