Originally Posted by Tuscany
Your good! If it spikes over 75 and stays there then you got problems.
Not necessarily. Many people, including myself, have used the Gillette Diesel spring that cranks idle/cruise psi up in to the high 90s. However, at WFO, it drops back to Blue Spring ranges (~mid 50s). Mine was in for about 2 years, then I wanted to see what all of the excitement was over the Blue Spring. All that I saw was a lower cruise/idle psi compared to the Gillette spring.
Keep in mind that I run an OEM fuel system. I have no clue what that kind of pressure would do to an AD2 or other RR system.