This has probably been asked before but because we are leaving in the AM for the summer I need quick advise from the folks on here. We have a 2013 Ford F350 SRW 6.7L Diesel and a new to us 2016 Key...
Word of caution: If you run too low of a pressure you run the risk of rolling the tire right off the rim when in a tight turn. I agree OEMs were probably "D" rated and now you have "E" rated, thus the pressure difference.