ISX sudden boost psi change
09-22-2022, (Subject: ISX sudden boost psi change ) 
Post: #16
RE: ISX sudden boost psi change
(09-22-2022 )Rawze Wrote:  
(09-22-2022 )Carter Wrote:  ...
So true. What does someone in this situation do? I’m governed at 1600 rpm in all gears but 8th which will reach 1800 rpm. As long as I keep my boost down and its gaining rpm after each shift even though too low of an rpm am I doing any good?

not much if you don't own it, except to learn how NOT to spec and own a truck.

If you don’t mind me asking, how would you spec a truck for this kind of work? Optimal cruising rpm at 60 mph? And all things being equal is there a fuel mileage advantage to a 13/18 speed compared to a 10 speed?
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RE: ISX sudden boost psi change - Carter - 09-22-2022



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