It looks like Ford has re-rated most of it's gear ratios, since the order guide shows taller gear options for the Job 3 builds. I have a friend that I'm helping configure an order for an '08, and based on the weight of her trailer and camper, I'm leaning towards having her get the 3.55s for a...

I posted a Q over in the oil forum, but have done enough research myself and decided to switch from Delo 400 LE to Castrol Tection Extra (both CJ-4 rated). Hope this can stay in the diesel forums, since it's really an HDEO short time deal!here ya' go:I ended up buying 12 gallons of this...

Been trying to find some info on it, besides what I've read on their (Castrol's) site, which is pretty impressive, btw...Sounds like a really good oil for a 6.0 PSD to me -- anyone else have some info?